23972620 has 24 divisors (see below), whose sum is σ = 57534624. Its totient is φ = 8219136.

The previous prime is 23972603. The next prime is 23972621. The reversal of 23972620 is 2627932.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (23972621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85477 + ... + 85756.

It is an arithmetic number, because the mean of its divisors is an integer number (2397276).

Almost surely, 2^23972620 is an apocalyptic number.

23972620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23972620 is an abundant number, since it is smaller than the sum of its proper divisors (33562004).

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

23972620 is a wasteful number, since it uses less digits than its factorization.

23972620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171249 (or 171247 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 23972620 is about 4896.1842285600. The cubic root of 23972620 is about 288.3401812296.

The spelling of 23972620 in words is "twenty-three million, nine hundred seventy-two thousand, six hundred twenty".