22897505623 has 4 divisors (see below), whose sum is σ = 23133562480. Its totient is φ = 22661448768.

The previous prime is 22897505599. The next prime is 22897505641. The reversal of 22897505623 is 32650579822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22897505623 - 2⁵ = 22897505591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22897503623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118028283 + ... + 118028476.

It is an arithmetic number, because the mean of its divisors is an integer number (5783390620).

Almost surely, 2^22897505623 is an apocalyptic number.

22897505623 is a deficient number, since it is larger than the sum of its proper divisors (236056857).

22897505623 is an equidigital number, since it uses as much as digits as its factorization.

22897505623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236056856.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 22897505623 in words is "twenty-two billion, eight hundred ninety-seven million, five hundred five thousand, six hundred twenty-three".