23031012132 has 36 divisors (see below), whose sum is σ = 58355602396. Its totient is φ = 7658763840.

The previous prime is 23031012047. The next prime is 23031012161. The reversal of 23031012132 is 23121013032.

23031012132 is a `hidden beast` number, since 230 + 310 + 121 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1048205376 + 21982806756 = 32376^2 + 148266^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744643 + ... + 774954.

Almost surely, 2^23031012132 is an apocalyptic number.

It is an amenable number.

23031012132 is an abundant number, since it is smaller than the sum of its proper divisors (35324590264).

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

23031012132 is a wasteful number, since it uses less digits than its factorization.

23031012132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520028 (or 1520023 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23031012132 its reverse (23121013032), we get a palindrome (46152025164).

The spelling of 23031012132 in words is "twenty-three billion, thirty-one million, twelve thousand, one hundred thirty-two".