23616929 has 12 divisors (see below), whose sum is σ = 28238016. Its totient is φ = 19312392.

The previous prime is 23616917. The next prime is 23616937. The reversal of 23616929 is 92961632.

It is not a de Polignac number, because 23616929 - 2⁴ = 23616913 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23616892 and 23616901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23616949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61472 + ... + 61854.

It is an arithmetic number, because the mean of its divisors is an integer number (2353168).

Almost surely, 2^23616929 is an apocalyptic number.

It is an amenable number.

23616929 is a deficient number, since it is larger than the sum of its proper divisors (4621087).

23616929 is an frugal number, since it uses more digits than its factorization.

23616929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 413 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 23616929 is about 4859.7251979922. The cubic root of 23616929 is about 286.9069979956.

The spelling of 23616929 in words is "twenty-three million, six hundred sixteen thousand, nine hundred twenty-nine".