23012212032 has 84 divisors (see below), whose sum is σ = 65983832980. Its totient is φ = 7668006912.

The previous prime is 23012212019. The next prime is 23012212039. The reversal of 23012212032 is 23021221032.

It can be written as a sum of positive squares in 2 ways, for example, as 13111166016 + 9901046016 = 114504^2 + 99504^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23012211996 and 23012212014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012212039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2214144 + ... + 2224512.

Almost surely, 2^23012212032 is an apocalyptic number.

It is an amenable number.

23012212032 is an abundant number, since it is smaller than the sum of its proper divisors (42971620948).

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

23012212032 is a wasteful number, since it uses less digits than its factorization.

23012212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14240 (or 14227 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23012212032 its reverse (23021221032), we get a palindrome (46033433064).

The spelling of 23012212032 in words is "twenty-three billion, twelve million, two hundred twelve thousand, thirty-two".