123475653848645 has 16 divisors (see below), whose sum is σ = 169338223226880. Its totient is φ = 84668927950464.

The previous prime is 123475653848629. The next prime is 123475653848653. The reversal of 123475653848645 is 546848356574321.

It is a cyclic number.

It is not a de Polignac number, because 123475653848645 - 2⁴ = 123475653848629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53091929 + ... + 55368801.

It is an arithmetic number, because the mean of its divisors is an integer number (10583638951680).

Almost surely, 2^{123475653848645} is an apocalyptic number.

It is an amenable number.

123475653848645 is a deficient number, since it is larger than the sum of its proper divisors (45862569378235).

123475653848645 is a wasteful number, since it uses less digits than its factorization.

123475653848645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826324.

The product of its digits is 2322432000, while the sum is 71.

The spelling of 123475653848645 in words is "one hundred twenty-three trillion, four hundred seventy-five billion, six hundred fifty-three million, eight hundred forty-eight thousand, six hundred forty-five".