22975133157923 has 4 divisors (see below), whose sum is σ = 22975603555680. Its totient is φ = 22974662760168.

The previous prime is 22975133157857. The next prime is 22975133157947. The reversal of 22975133157923 is 32975133157922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22975133157923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22975133157953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235125608 + ... + 235223301.

It is an arithmetic number, because the mean of its divisors is an integer number (5743900888920).

Almost surely, 2^{22975133157923} is an apocalyptic number.

22975133157923 is a deficient number, since it is larger than the sum of its proper divisors (470397757).

22975133157923 is an equidigital number, since it uses as much as digits as its factorization.

22975133157923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470397756.

The product of its digits is 21432600, while the sum is 59.

Subtracting 22975133157923 from its reverse (32975133157922), we obtain a palindrome (9999999999999).

The spelling of 22975133157923 in words is "twenty-two trillion, nine hundred seventy-five billion, one hundred thirty-three million, one hundred fifty-seven thousand, nine hundred twenty-three".