22791057623 has 2 divisors, whose sum is σ = 22791057624. Its totient is φ = 22791057622.

The previous prime is 22791057607. The next prime is 22791057659. The reversal of 22791057623 is 32675019722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22791057623 - 2⁴ = 22791057607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22791057323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11395528811 + 11395528812.

It is an arithmetic number, because the mean of its divisors is an integer number (11395528812).

Almost surely, 2^22791057623 is an apocalyptic number.

22791057623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22791057623 is an equidigital number, since it uses as much as digits as its factorization.

22791057623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 22791057623 in words is "twenty-two billion, seven hundred ninety-one million, fifty-seven thousand, six hundred twenty-three".