23122746 has 20 divisors (see below), whose sum is σ = 51812442. Its totient is φ = 7707528.

The previous prime is 23122733. The next prime is 23122769. The reversal of 23122746 is 64722132.

It can be written as a sum of positive squares in only one way, i.e., 22667121 + 455625 = 4761^2 + 675^2 .

It is a super-2 number, since 2×23122746² = 1069322765161032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71205 + ... + 71528.

Almost surely, 2^23122746 is an apocalyptic number.

23122746 is an abundant number, since it is smaller than the sum of its proper divisors (28689696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23122746 is a wasteful number, since it uses less digits than its factorization.

23122746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142747 (or 142738 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 23122746 is about 4808.6116499464. The cubic root of 23122746 is about 284.8917040066.

Adding to 23122746 its reverse (64722132), we get a palindrome (87844878).

The spelling of 23122746 in words is "twenty-three million, one hundred twenty-two thousand, seven hundred forty-six".