23397552 has 80 divisors (see below), whose sum is σ = 68849760. Its totient is φ = 7603200.

The previous prime is 23397551. The next prime is 23397599. The reversal of 23397552 is 25579332.

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

It is not an unprimeable number, because it can be changed into a prime (23397551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17052 + ... + 18372.

It is an arithmetic number, because the mean of its divisors is an integer number (860622).

Almost surely, 2^23397552 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 23397552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34424880).

23397552 is an abundant number, since it is smaller than the sum of its proper divisors (45452208).

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

23397552 is a wasteful number, since it uses less digits than its factorization.

23397552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1367 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 23397552 is about 4837.1016115025. The cubic root of 23397552 is about 286.0158760157.

The spelling of 23397552 in words is "twenty-three million, three hundred ninety-seven thousand, five hundred fifty-two".