23173241530639 has 2 divisors, whose sum is σ = 23173241530640. Its totient is φ = 23173241530638.

The previous prime is 23173241530613. The next prime is 23173241530759. The reversal of 23173241530639 is 93603514237132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23173241530639 - 2¹⁵ = 23173241497871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23173241530592 and 23173241530601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23173241530939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11586620765319 + 11586620765320.

It is an arithmetic number, because the mean of its divisors is an integer number (11586620765320).

Almost surely, 2^{23173241530639} is an apocalyptic number.

23173241530639 is a deficient number, since it is larger than the sum of its proper divisors (1).

23173241530639 is an equidigital number, since it uses as much as digits as its factorization.

23173241530639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 49.

The spelling of 23173241530639 in words is "twenty-three trillion, one hundred seventy-three billion, two hundred forty-one million, five hundred thirty thousand, six hundred thirty-nine".