22123923 has 16 divisors (see below), whose sum is σ = 31153920. Its totient is φ = 13926816.

The previous prime is 22123921. The next prime is 22123943. The reversal of 22123923 is 32932122.

It is not a de Polignac number, because 22123923 - 2¹ = 22123921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22123893 and 22123902.

It is not an unprimeable number, because it can be changed into a prime (22123921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27361 + ... + 28157.

It is an arithmetic number, because the mean of its divisors is an integer number (1947120).

Almost surely, 2^22123923 is an apocalyptic number.

22123923 is a deficient number, since it is larger than the sum of its proper divisors (9029997).

22123923 is a wasteful number, since it uses less digits than its factorization.

22123923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306.

The product of its digits is 1296, while the sum is 24.

The square root of 22123923 is about 4703.6074453551. The cubic root of 22123923 is about 280.7290651456.

The spelling of 22123923 in words is "twenty-two million, one hundred twenty-three thousand, nine hundred twenty-three".