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23431111110044 = 22112173079275989
BaseRepresentation
bin1010101001111011110110…
…00011011110110110011100
310001221222210102100021220122
411110331323003132312130
511032343403421010134
6121500034232534112
74635561530163521
oct524757303366634
9101858712307818
1023431111110044
117514095412600
122765133851338
13100c70ca87911
145b0101153148
152a976c42a02e
hex154f7b0ded9c

23431111110044 has 72 divisors (see below), whose sum is σ = 47877688449360. Its totient is φ = 9991352194560.

The previous prime is 23431111110031. The next prime is 23431111110073. The reversal of 23431111110044 is 44001111113432.

It is a junction number, because it is equal to n+sod(n) for n = 23431111109995 and 23431111110022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2111999 + ... + 7163990.

It is an arithmetic number, because the mean of its divisors is an integer number (664967895130).

Almost surely, 223431111110044 is an apocalyptic number.

It is an amenable number.

23431111110044 is an abundant number, since it is smaller than the sum of its proper divisors (24446577339316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23431111110044 is a wasteful number, since it uses less digits than its factorization.

23431111110044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276339 (or 9276326 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 23431111110044 its reverse (44001111113432), we get a palindrome (67432222223476).

The spelling of 23431111110044 in words is "twenty-three trillion, four hundred thirty-one billion, one hundred eleven million, one hundred ten thousand, forty-four".

Divisors: 1 2 4 11 17 22 34 44 68 121 187 242 307 374 484 614 748 1228 2057 3377 4114 5219 6754 8228 10438 13508 20876 37147 57409 74294 114818 148588 229636 631499 1262998 2525996 9275989 18551978 37103956 102035879 157691813 204071758 315383626 408143516 630767252 1122394669 1734609943 2244789338 2847728623 3469219886 4489578676 5695457246 6938439772 11390914492 19080709373 31325014853 38161418746 48411386591 62650029706 76322837492 96822773182 125300059412 193645546364 344575163383 532525252501 689150326766 1065050505002 1378300653532 2130101010004 5857777777511 11715555555022 23431111110044