23509123302239 has 2 divisors, whose sum is σ = 23509123302240. Its totient is φ = 23509123302238.

The previous prime is 23509123302179. The next prime is 23509123302241. The reversal of 23509123302239 is 93220332190532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23509123302239 - 2⁴⁴ = 5916937257823 is a prime.

Together with 23509123302241, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23509123302239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23509123302139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11754561651119 + 11754561651120.

It is an arithmetic number, because the mean of its divisors is an integer number (11754561651120).

Almost surely, 2^{23509123302239} is an apocalyptic number.

23509123302239 is a deficient number, since it is larger than the sum of its proper divisors (1).

23509123302239 is an equidigital number, since it uses as much as digits as its factorization.

23509123302239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 44.

The spelling of 23509123302239 in words is "twenty-three trillion, five hundred nine billion, one hundred twenty-three million, three hundred two thousand, two hundred thirty-nine".