23152388 has 48 divisors (see below), whose sum is σ = 48136704. Its totient is φ = 9538560.

The previous prime is 23152373. The next prime is 23152391. The reversal of 23152388 is 88325132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95948 + ... + 96188.

It is an arithmetic number, because the mean of its divisors is an integer number (1002848).

Almost surely, 2^23152388 is an apocalyptic number.

23152388 is a gapful number since it is divisible by the number (28) 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 23152388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24068352).

23152388 is an abundant number, since it is smaller than the sum of its proper divisors (24984316).

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

23152388 is a wasteful number, since it uses less digits than its factorization.

23152388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 370 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 23152388 is about 4811.6928414021. The cubic root of 23152388 is about 285.0133901578.

The spelling of 23152388 in words is "twenty-three million, one hundred fifty-two thousand, three hundred eighty-eight".