23005775 has 24 divisors (see below), whose sum is σ = 31185504. Its totient is φ = 16732800.

The previous prime is 23005757. The next prime is 23005799. The reversal of 23005775 is 57750032.

It is not a de Polignac number, because 23005775 - 2⁸ = 23005519 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 23 ways as a sum of consecutive naturals, for example, 22577 + ... + 23573.

It is an arithmetic number, because the mean of its divisors is an integer number (1299396).

Almost surely, 2^23005775 is an apocalyptic number.

23005775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23005775 is a deficient number, since it is larger than the sum of its proper divisors (8179729).

23005775 is a wasteful number, since it uses less digits than its factorization.

23005775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 23005775 is about 4796.4335708941. The cubic root of 23005775 is about 284.4104979235.

The spelling of 23005775 in words is "twenty-three million, five thousand, seven hundred seventy-five".