465623421 has 16 divisors (see below), whose sum is σ = 658531584. Its totient is φ = 291631104.

The previous prime is 465623371. The next prime is 465623423. The reversal of 465623421 is 124326564.

It is a de Polignac number, because none of the positive numbers 2^k-465623421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465623423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21516 + ... + 37338.

It is an arithmetic number, because the mean of its divisors is an integer number (41158224).

Almost surely, 2^465623421 is an apocalyptic number.

It is an amenable number.

465623421 is a deficient number, since it is larger than the sum of its proper divisors (192908163).

465623421 is a wasteful number, since it uses less digits than its factorization.

465623421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16420.

The product of its digits is 34560, while the sum is 33.

The square root of 465623421 is about 21578.3090394034. The cubic root of 465623421 is about 775.0771597127.

Adding to 465623421 its reverse (124326564), we get a palindrome (589949985).

The spelling of 465623421 in words is "four hundred sixty-five million, six hundred twenty-three thousand, four hundred twenty-one".