455317123 has 4 divisors (see below), whose sum is σ = 455449320. Its totient is φ = 455184928.

The previous prime is 455317063. The next prime is 455317151. The reversal of 455317123 is 321713554.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 455317123 - 2⁹ = 455316611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455317823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60790 + ... + 67867.

It is an arithmetic number, because the mean of its divisors is an integer number (113862330).

Almost surely, 2^455317123 is an apocalyptic number.

455317123 is a deficient number, since it is larger than the sum of its proper divisors (132197).

455317123 is a wasteful number, since it uses less digits than its factorization.

455317123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132196.

The product of its digits is 12600, while the sum is 31.

The square root of 455317123 is about 21338.1611906931. The cubic root of 455317123 is about 769.3158160407.

The spelling of 455317123 in words is "four hundred fifty-five million, three hundred seventeen thousand, one hundred twenty-three".