22256512723 has 2 divisors, whose sum is σ = 22256512724. Its totient is φ = 22256512722.

The previous prime is 22256512699. The next prime is 22256512757. The reversal of 22256512723 is 32721565222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22256512723 is a prime.

It is not a weakly prime, because it can be changed into another prime (22256512763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11128256361 + 11128256362.

It is an arithmetic number, because the mean of its divisors is an integer number (11128256362).

Almost surely, 2^22256512723 is an apocalyptic number.

22256512723 is a deficient number, since it is larger than the sum of its proper divisors (1).

22256512723 is an equidigital number, since it uses as much as digits as its factorization.

22256512723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The spelling of 22256512723 in words is "twenty-two billion, two hundred fifty-six million, five hundred twelve thousand, seven hundred twenty-three".