23365415538667 has 2 divisors, whose sum is σ = 23365415538668. Its totient is φ = 23365415538666.

The previous prime is 23365415538643. The next prime is 23365415538709. The reversal of 23365415538667 is 76683551456332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23365415538667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23365415538599 and 23365415538608.

It is not a weakly prime, because it can be changed into another prime (23365415538617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11682707769333 + 11682707769334.

It is an arithmetic number, because the mean of its divisors is an integer number (11682707769334).

Almost surely, 2^{23365415538667} is an apocalyptic number.

23365415538667 is a deficient number, since it is larger than the sum of its proper divisors (1).

23365415538667 is an equidigital number, since it uses as much as digits as its factorization.

23365415538667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592000, while the sum is 64.

The spelling of 23365415538667 in words is "twenty-three trillion, three hundred sixty-five billion, four hundred fifteen million, five hundred thirty-eight thousand, six hundred sixty-seven".