22123650456 has 48 divisors (see below), whose sum is σ = 60113453400. Its totient is φ = 7350521472.

The previous prime is 22123650431. The next prime is 22123650509. The reversal of 22123650456 is 65405632122.

22123650456 is a `hidden beast` number, since 22 + 123 + 6 + 504 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22123650456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478341 + ... + 522548.

Almost surely, 2^22123650456 is an apocalyptic number.

It is an amenable number.

22123650456 is an abundant number, since it is smaller than the sum of its proper divisors (37989802944).

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

22123650456 is a wasteful number, since it uses less digits than its factorization.

22123650456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001208 (or 1001201 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 22123650456 in words is "twenty-two billion, one hundred twenty-three million, six hundred fifty thousand, four hundred fifty-six".