23999472 has 120 divisors (see below), whose sum is σ = 79503840. Its totient is φ = 6612480.

The previous prime is 23999471. The next prime is 23999477. The reversal of 23999472 is 27499932.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23999471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28822 + ... + 29642.

It is an arithmetic number, because the mean of its divisors is an integer number (662532).

Almost surely, 2^23999472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23999472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39751920).

23999472 is an abundant number, since it is smaller than the sum of its proper divisors (55504368).

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

23999472 is a wasteful number, since it uses less digits than its factorization.

23999472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 862 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 23999472 is about 4898.9255964956. The cubic root of 23999472 is about 288.4477987466.

The spelling of 23999472 in words is "twenty-three million, nine hundred ninety-nine thousand, four hundred seventy-two".