23130259409 has 2 divisors, whose sum is σ = 23130259410. Its totient is φ = 23130259408.

The previous prime is 23130259391. The next prime is 23130259421. The reversal of 23130259409 is 90495203132.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20307675025 + 2822584384 = 142505^2 + 53128^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130259409 - 2¹⁶ = 23130193873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23130259459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565129704 + 11565129705.

It is an arithmetic number, because the mean of its divisors is an integer number (11565129705).

Almost surely, 2^23130259409 is an apocalyptic number.

It is an amenable number.

23130259409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130259409 is an equidigital number, since it uses as much as digits as its factorization.

23130259409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 23130259409 in words is "twenty-three billion, one hundred thirty million, two hundred fifty-nine thousand, four hundred nine".