23422331640 has 64 divisors (see below), whose sum is σ = 70355446560. Its totient is φ = 6238092800.

The previous prime is 23422331633. The next prime is 23422331651. The reversal of 23422331640 is 4613322432.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23422331598 and 23422331607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26811 + ... + 218090.

Almost surely, 2^23422331640 is an apocalyptic number.

23422331640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23422331640 is an abundant number, since it is smaller than the sum of its proper divisors (46933114920).

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

23422331640 is a wasteful number, since it uses less digits than its factorization.

23422331640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245712 (or 245708 counting only the distinct ones).

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

The spelling of 23422331640 in words is "twenty-three billion, four hundred twenty-two million, three hundred thirty-one thousand, six hundred forty".