23121014432 has 12 divisors (see below), whose sum is σ = 45519497226. Its totient is φ = 11560507200.

The previous prime is 23121014401. The next prime is 23121014447. The reversal of 23121014432 is 23441012132.

It can be written as a sum of positive squares in only one way, i.e., 15355175056 + 7765839376 = 123916^2 + 88124^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23121014398 and 23121014407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361265819 + ... + 361265882.

Almost surely, 2^23121014432 is an apocalyptic number.

It is an amenable number.

23121014432 is a deficient number, since it is larger than the sum of its proper divisors (22398482794).

23121014432 is an equidigital number, since it uses as much as digits as its factorization.

23121014432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722531711 (or 722531703 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23121014432 its reverse (23441012132), we get a palindrome (46562026564).

The spelling of 23121014432 in words is "twenty-three billion, one hundred twenty-one million, fourteen thousand, four hundred thirty-two".