21923246632 has 32 divisors (see below), whose sum is σ = 47977931520. Its totient is φ = 9195768000.

The previous prime is 21923246621. The next prime is 21923246641. The reversal of 21923246632 is 23664232912.

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, 4162119 + ... + 4167382.

It is an arithmetic number, because the mean of its divisors is an integer number (1499310360).

Almost surely, 2^21923246632 is an apocalyptic number.

It is an amenable number.

21923246632 is an abundant number, since it is smaller than the sum of its proper divisors (26054684888).

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

21923246632 is a wasteful number, since it uses less digits than its factorization.

21923246632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8329561 (or 8329557 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The spelling of 21923246632 in words is "twenty-one billion, nine hundred twenty-three million, two hundred forty-six thousand, six hundred thirty-two".