23681235659 has 2 divisors, whose sum is σ = 23681235660. Its totient is φ = 23681235658.

The previous prime is 23681235631. The next prime is 23681235703. The reversal of 23681235659 is 95653218632.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23681235659 is a prime.

It is not a weakly prime, because it can be changed into another prime (23681235629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11840617829 + 11840617830.

It is an arithmetic number, because the mean of its divisors is an integer number (11840617830).

Almost surely, 2^23681235659 is an apocalyptic number.

23681235659 is a deficient number, since it is larger than the sum of its proper divisors (1).

23681235659 is an equidigital number, since it uses as much as digits as its factorization.

23681235659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 50.

The spelling of 23681235659 in words is "twenty-three billion, six hundred eighty-one million, two hundred thirty-five thousand, six hundred fifty-nine".