23112320032 has 12 divisors (see below), whose sum is σ = 45502380126. Its totient is φ = 11556160000.

The previous prime is 23112320009. The next prime is 23112320047. The reversal of 23112320032 is 23002321132.

It can be written as a sum of positive squares in only one way, i.e., 22259446416 + 852873616 = 149196^2 + 29204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23112319991 and 23112320009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361129969 + ... + 361130032.

Almost surely, 2^23112320032 is an apocalyptic number.

It is an amenable number.

23112320032 is a deficient number, since it is larger than the sum of its proper divisors (22390060094).

23112320032 is an equidigital number, since it uses as much as digits as its factorization.

23112320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722260011 (or 722260003 counting only the distinct ones).

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

Adding to 23112320032 its reverse (23002321132), we get a palindrome (46114641164).

The spelling of 23112320032 in words is "twenty-three billion, one hundred twelve million, three hundred twenty thousand, thirty-two".