23694397 has 4 divisors (see below), whose sum is σ = 23792956. Its totient is φ = 23595840.

The previous prime is 23694389. The next prime is 23694443. The reversal of 23694397 is 79349632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15792676 + 7901721 = 3974^2 + 2811^2 .

It is a cyclic number.

It is not a de Polignac number, because 23694397 - 2³ = 23694389 is a prime.

It is a super-2 number, since 2×23694397² = 1122848898387218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23694317) 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 3 ways as a sum of consecutive naturals, for example, 48918 + ... + 49399.

It is an arithmetic number, because the mean of its divisors is an integer number (5948239).

Almost surely, 2^23694397 is an apocalyptic number.

It is an amenable number.

23694397 is a deficient number, since it is larger than the sum of its proper divisors (98559).

23694397 is an equidigital number, since it uses as much as digits as its factorization.

23694397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98558.

The product of its digits is 244944, while the sum is 43.

The square root of 23694397 is about 4867.6890821005. The cubic root of 23694397 is about 287.2203587146.

The spelling of 23694397 in words is "twenty-three million, six hundred ninety-four thousand, three hundred ninety-seven".