465123123 has 6 divisors (see below), whose sum is σ = 671844524. Its totient is φ = 310082076.

The previous prime is 465123103. The next prime is 465123151. The reversal of 465123123 is 321321564.

465123123 is a `hidden beast` number, since 4 + 651 + 2 + 3 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 465123123 - 2¹⁷ = 464992051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (465123103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25840165 + ... + 25840182.

Almost surely, 2^465123123 is an apocalyptic number.

465123123 is a deficient number, since it is larger than the sum of its proper divisors (206721401).

465123123 is a wasteful number, since it uses less digits than its factorization.

465123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51680353 (or 51680350 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 465123123 is about 21566.7133100990. The cubic root of 465123123 is about 774.7994613980.

Adding to 465123123 its reverse (321321564), we get a palindrome (786444687).

The spelling of 465123123 in words is "four hundred sixty-five million, one hundred twenty-three thousand, one hundred twenty-three".