23155146336697 has 2 divisors, whose sum is σ = 23155146336698. Its totient is φ = 23155146336696.

The previous prime is 23155146336671. The next prime is 23155146336733. The reversal of 23155146336697 is 79663364155132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20852109420921 + 2303036915776 = 4566411^2 + 1517576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23155146336697 is a prime.

It is not a weakly prime, because it can be changed into another prime (23155140336697) 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, 11577573168348 + 11577573168349.

It is an arithmetic number, because the mean of its divisors is an integer number (11577573168349).

Almost surely, 2^{23155146336697} is an apocalyptic number.

It is an amenable number.

23155146336697 is a deficient number, since it is larger than the sum of its proper divisors (1).

23155146336697 is an equidigital number, since it uses as much as digits as its factorization.

23155146336697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 61.

The spelling of 23155146336697 in words is "twenty-three trillion, one hundred fifty-five billion, one hundred forty-six million, three hundred thirty-six thousand, six hundred ninety-seven".