23561975 has 6 divisors (see below), whose sum is σ = 29216880. Its totient is φ = 18849560.

The previous prime is 23561947. The next prime is 23561999. The reversal of 23561975 is 57916532.

It is a happy number.

It is not a de Polignac number, because 23561975 - 2⁶ = 23561911 is a prime.

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, 471215 + ... + 471264.

It is an arithmetic number, because the mean of its divisors is an integer number (4869480).

Almost surely, 2^23561975 is an apocalyptic number.

23561975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23561975 is a deficient number, since it is larger than the sum of its proper divisors (5654905).

23561975 is an equidigital number, since it uses as much as digits as its factorization.

23561975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942489 (or 942484 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 23561975 is about 4854.0678816844. The cubic root of 23561975 is about 286.6842914769.

The spelling of 23561975 in words is "twenty-three million, five hundred sixty-one thousand, nine hundred seventy-five".