23301072409 has 2 divisors, whose sum is σ = 23301072410. Its totient is φ = 23301072408.

The previous prime is 23301072401. The next prime is 23301072493. The reversal of 23301072409 is 90427010332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18564880009 + 4736192400 = 136253^2 + 68820^2 .

It is a cyclic number.

It is not a de Polignac number, because 23301072409 - 2³ = 23301072401 is a prime.

It is a super-2 number, since 2×23301072409² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23301072401) 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, 11650536204 + 11650536205.

It is an arithmetic number, because the mean of its divisors is an integer number (11650536205).

Almost surely, 2^23301072409 is an apocalyptic number.

It is an amenable number.

23301072409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23301072409 is an equidigital number, since it uses as much as digits as its factorization.

23301072409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 23301072409 in words is "twenty-three billion, three hundred one million, seventy-two thousand, four hundred nine".