23130757409 has 2 divisors, whose sum is σ = 23130757410. Its totient is φ = 23130757408.

The previous prime is 23130757393. The next prime is 23130757411. The reversal of 23130757409 is 90475703132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20014326784 + 3116430625 = 141472^2 + 55825^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130757409 - 2⁴ = 23130757393 is a prime.

Together with 23130757411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23130757709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565378704 + 11565378705.

It is an arithmetic number, because the mean of its divisors is an integer number (11565378705).

Almost surely, 2^23130757409 is an apocalyptic number.

It is an amenable number.

23130757409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130757409 is an equidigital number, since it uses as much as digits as its factorization.

23130757409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 23130757409 in words is "twenty-three billion, one hundred thirty million, seven hundred fifty-seven thousand, four hundred nine".