23121300232 has 32 divisors (see below), whose sum is σ = 44426251800. Its totient is φ = 11274508800.

The previous prime is 23121300227. The next prime is 23121300233. The reversal of 23121300232 is 23200312132.

It can be written as a sum of positive squares in 4 ways, for example, as 22603919716 + 517380516 = 150346^2 + 22746^2 .

It is not an unprimeable number, because it can be changed into a prime (23121300233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992494 + ... + 1015522.

Almost surely, 2^23121300232 is an apocalyptic number.

It is an amenable number.

23121300232 is a deficient number, since it is larger than the sum of its proper divisors (21304951568).

23121300232 is a wasteful number, since it uses less digits than its factorization.

23121300232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26137 (or 26133 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23121300232 its reverse (23200312132), we get a palindrome (46321612364).

The spelling of 23121300232 in words is "twenty-three billion, one hundred twenty-one million, three hundred thousand, two hundred thirty-two".