21132032423304 has 64 divisors (see below), whose sum is σ = 57677458625280. Its totient is φ = 6398685864000.

The previous prime is 21132032423291. The next prime is 21132032423347. The reversal of 21132032423304 is 40332423023112.

It is a happy number.

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, 30660562 + ... + 31342209.

It is an arithmetic number, because the mean of its divisors is an integer number (901210291020).

Almost surely, 2^{21132032423304} is an apocalyptic number.

21132032423304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21132032423304 is an abundant number, since it is smaller than the sum of its proper divisors (36545426201976).

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

21132032423304 is a wasteful number, since it uses less digits than its factorization.

21132032423304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62004082 (or 62004078 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 21132032423304 its reverse (40332423023112), we get a palindrome (61464455446416).

The spelling of 21132032423304 in words is "twenty-one trillion, one hundred thirty-two billion, thirty-two million, four hundred twenty-three thousand, three hundred four".