23325553 has 4 divisors (see below), whose sum is σ = 23401840. Its totient is φ = 23249268.

The previous prime is 23325551. The next prime is 23325563. The reversal of 23325553 is 35552332.

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 23325553 - 2¹ = 23325551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23325551) 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, 37683 + ... + 38296.

It is an arithmetic number, because the mean of its divisors is an integer number (5850460).

Almost surely, 2^23325553 is an apocalyptic number.

It is an amenable number.

23325553 is a deficient number, since it is larger than the sum of its proper divisors (76287).

23325553 is an equidigital number, since it uses as much as digits as its factorization.

23325553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76286.

The product of its digits is 13500, while the sum is 28.

The square root of 23325553 is about 4829.6535072405. The cubic root of 23325553 is about 285.7221983404.

Adding to 23325553 its reverse (35552332), we get a palindrome (58877885).

The spelling of 23325553 in words is "twenty-three million, three hundred twenty-five thousand, five hundred fifty-three".