22620123 has 6 divisors (see below), whose sum is σ = 32673524. Its totient is φ = 15080076.

The previous prime is 22620119. The next prime is 22620133. The reversal of 22620123 is 32102622.

22620123 is a `hidden beast` number, since 22 + 620 + 1 + 23 = 666.

It is not a de Polignac number, because 22620123 - 2² = 22620119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22620096 and 22620105.

It is not an unprimeable number, because it can be changed into a prime (22620133) 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, 1256665 + ... + 1256682.

Almost surely, 2^22620123 is an apocalyptic number.

22620123 is a deficient number, since it is larger than the sum of its proper divisors (10053401).

22620123 is a wasteful number, since it uses less digits than its factorization.

22620123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513353 (or 2513350 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22620123 is about 4756.0617111219. The cubic root of 22620123 is about 282.8123175502.

Adding to 22620123 its reverse (32102622), we get a palindrome (54722745).

The spelling of 22620123 in words is "twenty-two million, six hundred twenty thousand, one hundred twenty-three".