23140212032 has 56 divisors (see below), whose sum is σ = 53897076864. Its totient is φ = 9649193472.

The previous prime is 23140212001. The next prime is 23140212047. The reversal of 23140212032 is 23021204132.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 23140211995 and 23140212013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681428 + ... + 714579.

Almost surely, 2^23140212032 is an apocalyptic number.

It is an amenable number.

23140212032 is an abundant number, since it is smaller than the sum of its proper divisors (30756864832).

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

23140212032 is a wasteful number, since it uses less digits than its factorization.

23140212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396063 (or 1396053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23140212032 its reverse (23021204132), we get a palindrome (46161416164).

The spelling of 23140212032 in words is "twenty-three billion, one hundred forty million, two hundred twelve thousand, thirty-two".