22964023 has 4 divisors (see below), whose sum is σ = 23004400. Its totient is φ = 22923648.

The previous prime is 22964009. The next prime is 22964041. The reversal of 22964023 is 32046922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32046922 = 2 ⋅16023461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22964023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22963982 and 22964000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22964083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19323 + ... + 20476.

It is an arithmetic number, because the mean of its divisors is an integer number (5751100).

Almost surely, 2^22964023 is an apocalyptic number.

22964023 is a deficient number, since it is larger than the sum of its proper divisors (40377).

22964023 is an equidigital number, since it uses as much as digits as its factorization.

22964023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40376.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22964023 is about 4792.0791938364. The cubic root of 22964023 is about 284.2383397304.

The spelling of 22964023 in words is "twenty-two million, nine hundred sixty-four thousand, twenty-three".