23152553 has 4 divisors (see below), whose sum is σ = 23369040. Its totient is φ = 22936068.

The previous prime is 23152543. The next prime is 23152631. The reversal of 23152553 is 35525132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23152553 - 2¹⁶ = 23087017 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 3 ways as a sum of consecutive naturals, for example, 108083 + ... + 108296.

It is an arithmetic number, because the mean of its divisors is an integer number (5842260).

Almost surely, 2^23152553 is an apocalyptic number.

It is an amenable number.

23152553 is a deficient number, since it is larger than the sum of its proper divisors (216487).

23152553 is a wasteful number, since it uses less digits than its factorization.

23152553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216486.

The product of its digits is 4500, while the sum is 26.

The square root of 23152553 is about 4811.7099871044. The cubic root of 23152553 is about 285.0140672240.

Adding to 23152553 its reverse (35525132), we get a palindrome (58677685).

It can be divided in two parts, 2315 and 2553, that multiplied together give a palindrome (5910195).

The spelling of 23152553 in words is "twenty-three million, one hundred fifty-two thousand, five hundred fifty-three".