23023220249 has 2 divisors, whose sum is σ = 23023220250. Its totient is φ = 23023220248.

The previous prime is 23023220243. The next prime is 23023220357. The reversal of 23023220249 is 94202232032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17736912400 + 5286307849 = 133180^2 + 72707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23023220249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23023220243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511610124 + 11511610125.

It is an arithmetic number, because the mean of its divisors is an integer number (11511610125).

Almost surely, 2^23023220249 is an apocalyptic number.

It is an amenable number.

23023220249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23023220249 is an equidigital number, since it uses as much as digits as its factorization.

23023220249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 23023220249 in words is "twenty-three billion, twenty-three million, two hundred twenty thousand, two hundred forty-nine".