23279964 has 24 divisors (see below), whose sum is σ = 55645968. Its totient is φ = 7570560.

The previous prime is 23279951. The next prime is 23279981. The reversal of 23279964 is 46997232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23167 + ... + 24150.

It is an arithmetic number, because the mean of its divisors is an integer number (2318582).

Almost surely, 2^23279964 is an apocalyptic number.

It is an amenable number.

23279964 is an abundant number, since it is smaller than the sum of its proper divisors (32366004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23279964 is a wasteful number, since it uses less digits than its factorization.

23279964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47365 (or 47363 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 23279964 is about 4824.9315021045. The cubic root of 23279964 is about 285.5359321644.

The spelling of 23279964 in words is "twenty-three million, two hundred seventy-nine thousand, nine hundred sixty-four".