23152513 has 8 divisors (see below), whose sum is σ = 24251328. Its totient is φ = 22061424.

The previous prime is 23152477. The next prime is 23152523. The reversal of 23152513 is 31525132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23152513 - 2¹⁷ = 23021441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23152523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731 + ... + 8287.

It is an arithmetic number, because the mean of its divisors is an integer number (3031416).

Almost surely, 2^23152513 is an apocalyptic number.

23152513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23152513 is a deficient number, since it is larger than the sum of its proper divisors (1098815).

23152513 is a wasteful number, since it uses less digits than its factorization.

23152513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863.

The product of its digits is 900, while the sum is 22.

The square root of 23152513 is about 4811.7058305761. The cubic root of 23152513 is about 285.0139030870.

Adding to 23152513 its reverse (31525132), we get a palindrome (54677645).

The spelling of 23152513 in words is "twenty-three million, one hundred fifty-two thousand, five hundred thirteen".