23092225921 has 2 divisors, whose sum is σ = 23092225922. Its totient is φ = 23092225920.

The previous prime is 23092225913. The next prime is 23092225931. The reversal of 23092225921 is 12952229032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21619585296 + 1472640625 = 147036^2 + 38375^2 .

It is a cyclic number.

It is not a de Polignac number, because 23092225921 - 2³ = 23092225913 is a prime.

It is not a weakly prime, because it can be changed into another prime (23092225931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11546112960 + 11546112961.

It is an arithmetic number, because the mean of its divisors is an integer number (11546112961).

Almost surely, 2^23092225921 is an apocalyptic number.

It is an amenable number.

23092225921 is a deficient number, since it is larger than the sum of its proper divisors (1).

23092225921 is an equidigital number, since it uses as much as digits as its factorization.

23092225921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 23092225921 in words is "twenty-three billion, ninety-two million, two hundred twenty-five thousand, nine hundred twenty-one".