22512565123 has 2 divisors, whose sum is σ = 22512565124. Its totient is φ = 22512565122.

The previous prime is 22512565081. The next prime is 22512565151. The reversal of 22512565123 is 32156521522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22512565123 - 2²⁵ = 22479010691 is a prime.

It is not a weakly prime, because it can be changed into another prime (22512565183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11256282561 + 11256282562.

It is an arithmetic number, because the mean of its divisors is an integer number (11256282562).

Almost surely, 2^22512565123 is an apocalyptic number.

22512565123 is a deficient number, since it is larger than the sum of its proper divisors (1).

22512565123 is an equidigital number, since it uses as much as digits as its factorization.

22512565123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 34.

The spelling of 22512565123 in words is "twenty-two billion, five hundred twelve million, five hundred sixty-five thousand, one hundred twenty-three".