22042323 has 6 divisors (see below), whose sum is σ = 31838924. Its totient is φ = 14694876.

The previous prime is 22042301. The next prime is 22042331. The reversal of 22042323 is 32324022.

22042323 is a `hidden beast` number, since 220 + 423 + 23 = 666.

It is not a de Polignac number, because 22042323 - 2¹² = 22038227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22042296 and 22042305.

It is not an unprimeable number, because it can be changed into a prime (22042123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1224565 + ... + 1224582.

Almost surely, 2^22042323 is an apocalyptic number.

22042323 is a deficient number, since it is larger than the sum of its proper divisors (9796601).

22042323 is a wasteful number, since it uses less digits than its factorization.

22042323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449153 (or 2449150 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22042323 is about 4694.9252390214. The cubic root of 22042323 is about 280.3835008603.

Adding to 22042323 its reverse (32324022), we get a palindrome (54366345).

The spelling of 22042323 in words is "twenty-two million, forty-two thousand, three hundred twenty-three".