23290055449 has 2 divisors, whose sum is σ = 23290055450. Its totient is φ = 23290055448.

The previous prime is 23290055417. The next prime is 23290055501. The reversal of 23290055449 is 94455009232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22901374224 + 388681225 = 151332^2 + 19715^2 .

It is a cyclic number.

It is not a de Polignac number, because 23290055449 - 2⁵ = 23290055417 is a prime.

It is not a weakly prime, because it can be changed into another prime (23290005449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11645027724 + 11645027725.

It is an arithmetic number, because the mean of its divisors is an integer number (11645027725).

Almost surely, 2^23290055449 is an apocalyptic number.

It is an amenable number.

23290055449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23290055449 is an equidigital number, since it uses as much as digits as its factorization.

23290055449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 23290055449 in words is "twenty-three billion, two hundred ninety million, fifty-five thousand, four hundred forty-nine".