23439372 has 96 divisors (see below), whose sum is σ = 62995968. Its totient is φ = 6720000.

The previous prime is 23439341. The next prime is 23439391. The reversal of 23439372 is 27393432.

It is a Harshad number since it is a multiple of its sum of digits (33).

Its product of digits (27216) is a multiple of the sum of its prime divisors (189).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330097 + ... + 330167.

It is an arithmetic number, because the mean of its divisors is an integer number (656208).

Almost surely, 2^23439372 is an apocalyptic number.

23439372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23439372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31497984).

23439372 is an abundant number, since it is smaller than the sum of its proper divisors (39556596).

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

23439372 is a wasteful number, since it uses less digits than its factorization.

23439372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its digits is 27216, while the sum is 33.

The square root of 23439372 is about 4841.4225182275. The cubic root of 23439372 is about 286.1861796535.

It can be divided in two parts, 2343 and 9372, that multiplied together give a square (21958596 = 4686²).

The spelling of 23439372 in words is "twenty-three million, four hundred thirty-nine thousand, three hundred seventy-two".