23622337640 has 64 divisors (see below), whose sum is σ = 58002039360. Its totient is φ = 8586987520.

The previous prime is 23622337619. The next prime is 23622337667. The reversal of 23622337640 is 4673322632.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23622337594 and 23622337603.

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, 1584059 + ... + 1598901.

It is an arithmetic number, because the mean of its divisors is an integer number (906281865).

Almost surely, 2^23622337640 is an apocalyptic number.

23622337640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23622337640 is an abundant number, since it is smaller than the sum of its proper divisors (34379701720).

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

23622337640 is a wasteful number, since it uses less digits than its factorization.

23622337640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18482 (or 18478 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 38.

The spelling of 23622337640 in words is "twenty-three billion, six hundred twenty-two million, three hundred thirty-seven thousand, six hundred forty".