23152040 has 32 divisors (see below), whose sum is σ = 53775360. Its totient is φ = 8961600.

The previous prime is 23152033. The next prime is 23152093. The reversal of 23152040 is 4025132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8096 + ... + 10575.

It is an arithmetic number, because the mean of its divisors is an integer number (1680480).

Almost surely, 2^23152040 is an apocalyptic number.

23152040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23152040 is an abundant number, since it is smaller than the sum of its proper divisors (30623320).

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

23152040 is a wasteful number, since it uses less digits than its factorization.

23152040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18713 (or 18709 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 23152040 is about 4811.6566793569. The cubic root of 23152040 is about 285.0119621531.

Adding to 23152040 its reverse (4025132), we get a palindrome (27177172).

The spelling of 23152040 in words is "twenty-three million, one hundred fifty-two thousand, forty".