23528775 has 12 divisors (see below), whose sum is σ = 38901032. Its totient is φ = 12548640.

The previous prime is 23528759. The next prime is 23528789. The reversal of 23528775 is 57782532.

It is not a de Polignac number, because 23528775 - 2⁴ = 23528759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156784 + ... + 156933.

Almost surely, 2^23528775 is an apocalyptic number.

23528775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23528775 is a deficient number, since it is larger than the sum of its proper divisors (15372257).

23528775 is a wasteful number, since it uses less digits than its factorization.

23528775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313730 (or 313725 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 23528775 is about 4850.6468640791. The cubic root of 23528775 is about 286.5495773540.

The spelling of 23528775 in words is "twenty-three million, five hundred twenty-eight thousand, seven hundred seventy-five".