23922970 has 16 divisors (see below), whose sum is σ = 44546760. Its totient is φ = 9239104.

The previous prime is 23922949. The next prime is 23922973. The reversal of 23922970 is 7922932.

It can be written as a sum of positive squares in 4 ways, for example, as 12383361 + 11539609 = 3519^2 + 3397^2 .

It is not an unprimeable number, because it can be changed into a prime (23922973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40957 + ... + 41536.

Almost surely, 2^23922970 is an apocalyptic number.

23922970 is a deficient number, since it is larger than the sum of its proper divisors (20623790).

23922970 is a wasteful number, since it uses less digits than its factorization.

23922970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82529.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 23922970 is about 4891.1113256600. Note that the first 3 decimals coincide. The cubic root of 23922970 is about 288.1409819654.

The spelling of 23922970 in words is "twenty-three million, nine hundred twenty-two thousand, nine hundred seventy".