22604123 has 4 divisors (see below), whose sum is σ = 22653408. Its totient is φ = 22554840.

The previous prime is 22604117. The next prime is 22604143. The reversal of 22604123 is 32140622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32140622 = 2 ⋅16070311.

It is a cyclic number.

It is not a de Polignac number, because 22604123 - 2⁴ = 22604107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22604095 and 22604104.

It is not an unprimeable number, because it can be changed into a prime (22604143) 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, 23948 + ... + 24873.

It is an arithmetic number, because the mean of its divisors is an integer number (5663352).

Almost surely, 2^22604123 is an apocalyptic number.

22604123 is a deficient number, since it is larger than the sum of its proper divisors (49285).

22604123 is an equidigital number, since it uses as much as digits as its factorization.

22604123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49284.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 22604123 is about 4754.3793496102. The cubic root of 22604123 is about 282.7456208248.

Adding to 22604123 its reverse (32140622), we get a palindrome (54744745).

The spelling of 22604123 in words is "twenty-two million, six hundred four thousand, one hundred twenty-three".