23923872 has 72 divisors (see below), whose sum is σ = 77759136. Its totient is φ = 6834816.

The previous prime is 23923871. The next prime is 23923883. The reversal of 23923872 is 27832932.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23923871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3918 + ... + 7949.

It is an arithmetic number, because the mean of its divisors is an integer number (1079988).

Almost surely, 2^23923872 is an apocalyptic number.

It is an amenable number.

23923872 is an abundant number, since it is smaller than the sum of its proper divisors (53835264).

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

23923872 is a wasteful number, since it uses less digits than its factorization.

23923872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11890 (or 11879 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23923872 is about 4891.2035328741. The cubic root of 23923872 is about 288.1446033092.

The spelling of 23923872 in words is "twenty-three million, nine hundred twenty-three thousand, eight hundred seventy-two".