23867865838679 has 2 divisors, whose sum is σ = 23867865838680. Its totient is φ = 23867865838678.

The previous prime is 23867865838657. The next prime is 23867865838681. The reversal of 23867865838679 is 97683856876832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23867865838679 is a prime.

Together with 23867865838681, 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 23867865838679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23867865838279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11933932919339 + 11933932919340.

It is an arithmetic number, because the mean of its divisors is an integer number (11933932919340).

Almost surely, 2^{23867865838679} is an apocalyptic number.

23867865838679 is a deficient number, since it is larger than the sum of its proper divisors (1).

23867865838679 is an equidigital number, since it uses as much as digits as its factorization.

23867865838679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35115171840, while the sum is 86.

The spelling of 23867865838679 in words is "twenty-three trillion, eight hundred sixty-seven billion, eight hundred sixty-five million, eight hundred thirty-eight thousand, six hundred seventy-nine".