22531543723 has 8 divisors (see below), whose sum is σ = 24281763408. Its totient is φ = 20783756064.

The previous prime is 22531543711. The next prime is 22531543781. The reversal of 22531543723 is 32734513522.

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

It is a cyclic number.

It is not a de Polignac number, because 22531543723 - 2²⁵ = 22497989291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22531543423) 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, 588736 + ... + 625837.

It is an arithmetic number, because the mean of its divisors is an integer number (3035220426).

Almost surely, 2^22531543723 is an apocalyptic number.

22531543723 is a deficient number, since it is larger than the sum of its proper divisors (1750219685).

22531543723 is a wasteful number, since it uses less digits than its factorization.

22531543723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216013.

The product of its digits is 151200, while the sum is 37.

The spelling of 22531543723 in words is "twenty-two billion, five hundred thirty-one million, five hundred forty-three thousand, seven hundred twenty-three".