23686736349923 has 2 divisors, whose sum is σ = 23686736349924. Its totient is φ = 23686736349922.

The previous prime is 23686736349883. The next prime is 23686736349977. The reversal of 23686736349923 is 32994363768632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23686736349923 - 2³² = 23682441382627 is a prime.

It is a super-2 number, since 2×23686736349923² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23686736349223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11843368174961 + 11843368174962.

It is an arithmetic number, because the mean of its divisors is an integer number (11843368174962).

Almost surely, 2^{23686736349923} is an apocalyptic number.

23686736349923 is a deficient number, since it is larger than the sum of its proper divisors (1).

23686736349923 is an equidigital number, since it uses as much as digits as its factorization.

23686736349923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1269789696, while the sum is 71.

The spelling of 23686736349923 in words is "twenty-three trillion, six hundred eighty-six billion, seven hundred thirty-six million, three hundred forty-nine thousand, nine hundred twenty-three".