23345669135687 has 2 divisors, whose sum is σ = 23345669135688. Its totient is φ = 23345669135686.

The previous prime is 23345669135653. The next prime is 23345669135713. The reversal of 23345669135687 is 78653196654332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23345669135687 - 2⁶ = 23345669135623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23345669134687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11672834567843 + 11672834567844.

It is an arithmetic number, because the mean of its divisors is an integer number (11672834567844).

Almost surely, 2^{23345669135687} is an apocalyptic number.

23345669135687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23345669135687 is an equidigital number, since it uses as much as digits as its factorization.

23345669135687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 587865600, while the sum is 68.

The spelling of 23345669135687 in words is "twenty-three trillion, three hundred forty-five billion, six hundred sixty-nine million, one hundred thirty-five thousand, six hundred eighty-seven".