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23123100204231 = 3311999124379933
BaseRepresentation
bin1010100000111110001000…
…01011000111110011000111
310000212112202121111002022020
411100133010023013303013
511012322102123013411
6121102334450134223
74604405656526466
oct520370413076307
9100775677432266
1023123100204231
1174054a727a195
1227154b3581373
13cb9664397c71
1459d2421089dd
152a1741819606
hex1507c42c7cc7

23123100204231 has 16 divisors (see below), whose sum is σ = 31841263104000. Its totient is φ = 14910666248160.

The previous prime is 23123100204229. The next prime is 23123100204251. The reversal of 23123100204231 is 13240200132132.

It is not a de Polignac number, because 23123100204231 - 21 = 23123100204229 is a prime.

It is a super-2 number, since 2×231231002042312 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23123100204251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62004060 + ... + 62375873.

It is an arithmetic number, because the mean of its divisors is an integer number (1990078944000).

Almost surely, 223123100204231 is an apocalyptic number.

23123100204231 is a deficient number, since it is larger than the sum of its proper divisors (8718162899769).

23123100204231 is a wasteful number, since it uses less digits than its factorization.

23123100204231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124381966.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23123100204231 its reverse (13240200132132), we get a palindrome (36363300336363).

The spelling of 23123100204231 in words is "twenty-three trillion, one hundred twenty-three billion, one hundred million, two hundred four thousand, two hundred thirty-one".

Divisors: 1 3 31 93 1999 5997 61969 185907 124379933 373139799 3855777923 11567333769 248635486067 745906458201 7707700068077 23123100204231