23972086 has 4 divisors (see below), whose sum is σ = 35958132. Its totient is φ = 11986042.

The previous prime is 23972077. The next prime is 23972089. The reversal of 23972086 is 68027932.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23972089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5993020 + ... + 5993023.

It is an arithmetic number, because the mean of its divisors is an integer number (8989533).

Almost surely, 2^23972086 is an apocalyptic number.

23972086 is a deficient number, since it is larger than the sum of its proper divisors (11986046).

23972086 is a wasteful number, since it uses less digits than its factorization.

23972086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11986045.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 23972086 is about 4896.1296959946. The cubic root of 23972086 is about 288.3380402482.

The spelling of 23972086 in words is "twenty-three million, nine hundred seventy-two thousand, eighty-six".