23206664 has 32 divisors (see below), whose sum is σ = 47113920. Its totient is φ = 10652736.

The previous prime is 23206643. The next prime is 23206727. The reversal of 23206664 is 46660232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23117 + ... + 24099.

It is an arithmetic number, because the mean of its divisors is an integer number (1472310).

Almost surely, 2^23206664 is an apocalyptic number.

It is an amenable number.

23206664 is an abundant number, since it is smaller than the sum of its proper divisors (23907256).

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

23206664 is a wasteful number, since it uses less digits than its factorization.

23206664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1225 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 23206664 is about 4817.3295506951. The cubic root of 23206664 is about 285.2359347209.

Adding to 23206664 its reverse (46660232), we get a palindrome (69866896).

The spelling of 23206664 in words is "twenty-three million, two hundred six thousand, six hundred sixty-four".