459664123 has 4 divisors (see below), whose sum is σ = 475514640. Its totient is φ = 443813608.

The previous prime is 459664099. The next prime is 459664141. The reversal of 459664123 is 321466954.

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 459664123 - 2⁵ = 459664091 is a prime.

It is a super-2 number, since 2×459664123² = 422582211946718258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459661123) 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, 7925215 + ... + 7925272.

It is an arithmetic number, because the mean of its divisors is an integer number (118878660).

Almost surely, 2^459664123 is an apocalyptic number.

459664123 is a deficient number, since it is larger than the sum of its proper divisors (15850517).

459664123 is a wasteful number, since it uses less digits than its factorization.

459664123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15850516.

The product of its digits is 155520, while the sum is 40.

The square root of 459664123 is about 21439.7789867340. The cubic root of 459664123 is about 771.7563343461.

The spelling of 459664123 in words is "four hundred fifty-nine million, six hundred sixty-four thousand, one hundred twenty-three".