22938723 has 24 divisors (see below), whose sum is σ = 34034000. Its totient is φ = 14883264.

The previous prime is 22938691. The next prime is 22938731. The reversal of 22938723 is 32783922.

It is not a de Polignac number, because 22938723 - 2⁵ = 22938691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22938323) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 65553 + ... + 65901.

Almost surely, 2^22938723 is an apocalyptic number.

22938723 is a deficient number, since it is larger than the sum of its proper divisors (11095277).

22938723 is a wasteful number, since it uses less digits than its factorization.

22938723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 528 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 22938723 is about 4789.4386936258. The cubic root of 22938723 is about 284.1339173690.

The spelling of 22938723 in words is "twenty-two million, nine hundred thirty-eight thousand, seven hundred twenty-three".