23026553 has 4 divisors (see below), whose sum is σ = 25119888. Its totient is φ = 20933220.

The previous prime is 23026529. The next prime is 23026559. The reversal of 23026553 is 35562032.

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 not a de Polignac number, because 23026553 - 2¹⁸ = 22764409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23026559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046651 + ... + 1046672.

It is an arithmetic number, because the mean of its divisors is an integer number (6279972).

Almost surely, 2^23026553 is an apocalyptic number.

It is an amenable number.

23026553 is a deficient number, since it is larger than the sum of its proper divisors (2093335).

23026553 is a wasteful number, since it uses less digits than its factorization.

23026553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093334.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 23026553 is about 4798.5990663943. The cubic root of 23026553 is about 284.4960953172.

Adding to 23026553 its reverse (35562032), we get a palindrome (58588585).

The spelling of 23026553 in words is "twenty-three million, twenty-six thousand, five hundred fifty-three".