21132323032 has 16 divisors (see below), whose sum is σ = 41708532600. Its totient is φ = 10010047680.

The previous prime is 21132323029. The next prime is 21132323041. The reversal of 21132323032 is 23032323112.

It is a junction number, because it is equal to n+sod(n) for n = 21132322994 and 21132323012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69514069 + ... + 69514372.

Almost surely, 2^21132323032 is an apocalyptic number.

It is an amenable number.

21132323032 is a deficient number, since it is larger than the sum of its proper divisors (20576209568).

21132323032 is a wasteful number, since it uses less digits than its factorization.

21132323032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139028466 (or 139028462 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21132323032 its reverse (23032323112), we get a palindrome (44164646144).

The spelling of 21132323032 in words is "twenty-one billion, one hundred thirty-two million, three hundred twenty-three thousand, thirty-two".