23522553 has 12 divisors (see below), whose sum is σ = 34223280. Its totient is φ = 15568056.

The previous prime is 23522549. The next prime is 23522557. The reversal of 23522553 is 35522532.

It is an interprime number because it is at equal distance from previous prime (23522549) and next prime (23522557).

It is not a de Polignac number, because 23522553 - 2² = 23522549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23522557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8151 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (2851940).

Almost surely, 2^23522553 is an apocalyptic number.

It is an amenable number.

23522553 is a deficient number, since it is larger than the sum of its proper divisors (10700727).

23522553 is a wasteful number, since it uses less digits than its factorization.

23522553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18948 (or 18945 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 23522553 is about 4850.0054639144. The cubic root of 23522553 is about 286.5243165312.

The spelling of 23522553 in words is "twenty-three million, five hundred twenty-two thousand, five hundred fifty-three".