23573697 has 16 divisors (see below), whose sum is σ = 36328320. Its totient is φ = 13318272.

The previous prime is 23573681. The next prime is 23573701. The reversal of 23573697 is 79637532.

It is a happy number.

It is not a de Polignac number, because 23573697 - 2⁴ = 23573681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23573657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4438 + ... + 8175.

It is an arithmetic number, because the mean of its divisors is an integer number (2270520).

Almost surely, 2^23573697 is an apocalyptic number.

It is an amenable number.

23573697 is a deficient number, since it is larger than the sum of its proper divisors (12754623).

23573697 is a wasteful number, since it uses less digits than its factorization.

23573697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12712.

The product of its digits is 238140, while the sum is 42.

The square root of 23573697 is about 4855.2751724284. The cubic root of 23573697 is about 286.7318250720.

The spelling of 23573697 in words is "twenty-three million, five hundred seventy-three thousand, six hundred ninety-seven".