22543156023 has 8 divisors (see below), whose sum is σ = 30061828848. Its totient is φ = 15026626944.

The previous prime is 22543156021. The next prime is 22543156057. The reversal of 22543156023 is 32065134522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22543156023 - 2¹ = 22543156021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22543156021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511236 + ... + 553577.

It is an arithmetic number, because the mean of its divisors is an integer number (3757728606).

Almost surely, 2^22543156023 is an apocalyptic number.

22543156023 is a deficient number, since it is larger than the sum of its proper divisors (7518672825).

22543156023 is a wasteful number, since it uses less digits than its factorization.

22543156023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071873.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 22543156023 in words is "twenty-two billion, five hundred forty-three million, one hundred fifty-six thousand, twenty-three".