23820472 has 32 divisors (see below), whose sum is σ = 48358800. Its totient is φ = 10934784.

The previous prime is 23820469. The next prime is 23820473. The reversal of 23820472 is 27402832.

It is a self number, because there is not a number n which added to its sum of digits gives 23820472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23820473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23104 + ... + 24112.

Almost surely, 2^23820472 is an apocalyptic number.

It is an amenable number.

23820472 is an abundant number, since it is smaller than the sum of its proper divisors (24538328).

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

23820472 is a wasteful number, since it uses less digits than its factorization.

23820472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 23820472 is about 4880.6220914961. The cubic root of 23820472 is about 287.7288793660.

The spelling of 23820472 in words is "twenty-three million, eight hundred twenty thousand, four hundred seventy-two".