23345669135653 has 2 divisors, whose sum is σ = 23345669135654. Its totient is φ = 23345669135652.

The previous prime is 23345669135623. The next prime is 23345669135687. The reversal of 23345669135653 is 35653196654332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21833256176449 + 1512412959204 = 4672607^2 + 1229802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23345669135653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23345669135591 and 23345669135600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23345669135623) 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, 11672834567826 + 11672834567827.

It is an arithmetic number, because the mean of its divisors is an integer number (11672834567827).

Almost surely, 2^{23345669135653} is an apocalyptic number.

It is an amenable number.

23345669135653 is a deficient number, since it is larger than the sum of its proper divisors (1).

23345669135653 is an equidigital number, since it uses as much as digits as its factorization.

23345669135653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464000, while the sum is 61.

The spelling of 23345669135653 in words is "twenty-three trillion, three hundred forty-five billion, six hundred sixty-nine million, one hundred thirty-five thousand, six hundred fifty-three".