23678983616399 has 2 divisors, whose sum is σ = 23678983616400. Its totient is φ = 23678983616398.

The previous prime is 23678983616371. The next prime is 23678983616459. The reversal of 23678983616399 is 99361638987632.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23678983616399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23678983616999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11839491808199 + 11839491808200.

It is an arithmetic number, because the mean of its divisors is an integer number (11839491808200).

Almost surely, 2^{23678983616399} is an apocalyptic number.

23678983616399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23678983616399 is an equidigital number, since it uses as much as digits as its factorization.

23678983616399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3809369088, while the sum is 80.

The spelling of 23678983616399 in words is "twenty-three trillion, six hundred seventy-eight billion, nine hundred eighty-three million, six hundred sixteen thousand, three hundred ninety-nine".