23145352154137 has 2 divisors, whose sum is σ = 23145352154138. Its totient is φ = 23145352154136.

The previous prime is 23145352154129. The next prime is 23145352154149. The reversal of 23145352154137 is 73145125354132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20338467412761 + 2806884741376 = 4509819^2 + 1675376^2 .

It is a cyclic number.

It is not a de Polignac number, because 23145352154137 - 2³ = 23145352154129 is a prime.

It is not a weakly prime, because it can be changed into another prime (23145352154237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11572676077068 + 11572676077069.

It is an arithmetic number, because the mean of its divisors is an integer number (11572676077069).

Almost surely, 2^{23145352154137} is an apocalyptic number.

It is an amenable number.

23145352154137 is a deficient number, since it is larger than the sum of its proper divisors (1).

23145352154137 is an equidigital number, since it uses as much as digits as its factorization.

23145352154137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 46.

The spelling of 23145352154137 in words is "twenty-three trillion, one hundred forty-five billion, three hundred fifty-two million, one hundred fifty-four thousand, one hundred thirty-seven".