21023022104232 has 64 divisors (see below), whose sum is σ = 52880969880000. Its totient is φ = 6964582147584.

The previous prime is 21023022104171. The next prime is 21023022104251. The reversal of 21023022104232 is 23240122032012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10268244 + ... + 12144252.

It is an arithmetic number, because the mean of its divisors is an integer number (826265154375).

Almost surely, 2^{21023022104232} is an apocalyptic number.

It is an amenable number.

21023022104232 is an abundant number, since it is smaller than the sum of its proper divisors (31857947775768).

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

21023022104232 is a wasteful number, since it uses less digits than its factorization.

21023022104232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878890 (or 1878886 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21023022104232 its reverse (23240122032012), we get a palindrome (44263144136244).

The spelling of 21023022104232 in words is "twenty-one trillion, twenty-three billion, twenty-two million, one hundred four thousand, two hundred thirty-two".