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23040203120 = 2451126182049
BaseRepresentation
bin10101011101010011…
…011001100101110000
32012110201012120220022
4111131103121211300
5334141242444440
614330131303012
71443646331564
oct253523314560
965421176808
1023040203120
119853659690
12457014aa68
1322324c72ac
141187d956a4
158ecb01cb5
hex55d4d9970

23040203120 has 40 divisors (see below), whose sum is σ = 58438335600. Its totient is φ = 8378255360.

The previous prime is 23040203119. The next prime is 23040203159. The reversal of 23040203120 is 2130204032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13090145 + ... + 13091904.

It is an arithmetic number, because the mean of its divisors is an integer number (1460958390).

Almost surely, 223040203120 is an apocalyptic number.

23040203120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23040203120 is an abundant number, since it is smaller than the sum of its proper divisors (35398132480).

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

23040203120 is a wasteful number, since it uses less digits than its factorization.

23040203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26182073 (or 26182067 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23040203120 its reverse (2130204032), we get a palindrome (25170407152).

The spelling of 23040203120 in words is "twenty-three billion, forty million, two hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 26182049 52364098 104728196 130910245 209456392 261820490 288002539 418912784 523640980 576005078 1047281960 1152010156 1440012695 2094563920 2304020312 2880025390 4608040624 5760050780 11520101560 23040203120