23235979 has 6 divisors (see below), whose sum is σ = 25161036. Its totient is φ = 21448440.

The previous prime is 23235967. The next prime is 23235983. The reversal of 23235979 is 97953232.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23235979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23235679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68577 + ... + 68914.

It is an arithmetic number, because the mean of its divisors is an integer number (4193506).

Almost surely, 2^23235979 is an apocalyptic number.

23235979 is a deficient number, since it is larger than the sum of its proper divisors (1925057).

23235979 is a wasteful number, since it uses less digits than its factorization.

23235979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137517 (or 137504 counting only the distinct ones).

The product of its digits is 102060, while the sum is 40.

The square root of 23235979 is about 4820.3712512627. The cubic root of 23235979 is about 285.3559889293.

The spelling of 23235979 in words is "twenty-three million, two hundred thirty-five thousand, nine hundred seventy-nine".