23022142009 has 2 divisors, whose sum is σ = 23022142010. Its totient is φ = 23022142008.

The previous prime is 23022141949. The next prime is 23022142021. The reversal of 23022142009 is 90024122032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19221049600 + 3801092409 = 138640^2 + 61653^2 .

It is a cyclic number.

It is not a de Polignac number, because 23022142009 - 2⁹ = 23022141497 is a prime.

It is not a weakly prime, because it can be changed into another prime (23022142049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511071004 + 11511071005.

It is an arithmetic number, because the mean of its divisors is an integer number (11511071005).

Almost surely, 2^23022142009 is an apocalyptic number.

It is an amenable number.

23022142009 is a deficient number, since it is larger than the sum of its proper divisors (1).

23022142009 is an equidigital number, since it uses as much as digits as its factorization.

23022142009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 23022142009 in words is "twenty-three billion, twenty-two million, one hundred forty-two thousand, nine".