23945575 has 6 divisors (see below), whose sum is σ = 29692544. Its totient is φ = 19156440.

The previous prime is 23945569. The next prime is 23945587. The reversal of 23945575 is 57554932.

It is not a de Polignac number, because 23945575 - 2¹⁵ = 23912807 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 5 ways as a sum of consecutive naturals, for example, 478887 + ... + 478936.

Almost surely, 2^23945575 is an apocalyptic number.

23945575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23945575 is a deficient number, since it is larger than the sum of its proper divisors (5746969).

23945575 is an equidigital number, since it uses as much as digits as its factorization.

23945575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957833 (or 957828 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The square root of 23945575 is about 4893.4216045626. The cubic root of 23945575 is about 288.2317089451.

The spelling of 23945575 in words is "twenty-three million, nine hundred forty-five thousand, five hundred seventy-five".