23538372 has 144 divisors (see below), whose sum is σ = 68819520. Its totient is φ = 6209280.

The previous prime is 23538371. The next prime is 23538379. The reversal of 23538372 is 27383532.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (23538371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 547383 + ... + 547425.

Almost surely, 2^23538372 is an apocalyptic number.

23538372 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 23538372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34409760).

23538372 is an abundant number, since it is smaller than the sum of its proper divisors (45281148).

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

23538372 is a wasteful number, since it uses less digits than its factorization.

23538372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 101 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 23538372 is about 4851.6360127281. The cubic root of 23538372 is about 286.5885316767.

The spelling of 23538372 in words is "twenty-three million, five hundred thirty-eight thousand, three hundred seventy-two".