22153544523 has 16 divisors (see below), whose sum is σ = 35803708800. Its totient is φ = 13426390440.

The previous prime is 22153544459. The next prime is 22153544533. The reversal of 22153544523 is 32544535122.

22153544523 is a `hidden beast` number, since 2 + 2 + 153 + 54 + 452 + 3 = 666.

It is not a de Polignac number, because 22153544523 - 2⁶ = 22153544459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22153544533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37295233 + ... + 37295826.

It is an arithmetic number, because the mean of its divisors is an integer number (2237731800).

Almost surely, 2^22153544523 is an apocalyptic number.

22153544523 is a deficient number, since it is larger than the sum of its proper divisors (13650164277).

22153544523 is a wasteful number, since it uses less digits than its factorization.

22153544523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74591079 (or 74591073 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The spelling of 22153544523 in words is "twenty-two billion, one hundred fifty-three million, five hundred forty-four thousand, five hundred twenty-three".