23009964 has 48 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 7463680.

The previous prime is 23009953. The next prime is 23009983. The reversal of 23009964 is 46990032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96157 + ... + 96395.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^23009964 is an apocalyptic number.

It is an amenable number.

23009964 is an abundant number, since it is smaller than the sum of its proper divisors (32147796).

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

23009964 is a wasteful number, since it uses less digits than its factorization.

23009964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 23009964 is about 4796.8702296393. The cubic root of 23009964 is about 284.4277591441.

Adding to 23009964 its reverse (46990032), we get a palindrome (69999996).

The spelling of 23009964 in words is "twenty-three million, nine thousand, nine hundred sixty-four".