23269918 has 16 divisors (see below), whose sum is σ = 40439520. Its totient is φ = 9835776.

The previous prime is 23269907. The next prime is 23269921. The reversal of 23269918 is 81996232.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10363 + ... + 12406.

It is an arithmetic number, because the mean of its divisors is an integer number (2527470).

Almost surely, 2^23269918 is an apocalyptic number.

23269918 is a deficient number, since it is larger than the sum of its proper divisors (17169602).

23269918 is a wasteful number, since it uses less digits than its factorization.

23269918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22851.

The product of its digits is 46656, while the sum is 40.

The square root of 23269918 is about 4823.8903387204. The cubic root of 23269918 is about 285.4948538264.

The spelling of 23269918 in words is "twenty-three million, two hundred sixty-nine thousand, nine hundred eighteen".