423164631 has 4 divisors (see below), whose sum is σ = 564219512. Its totient is φ = 282109752.

The previous prime is 423164617. The next prime is 423164647. The reversal of 423164631 is 136461324.

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

It is not a de Polignac number, because 423164631 - 2¹¹ = 423162583 is a prime.

It is a super-2 number, since 2×423164631² = 358136609858732322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423164611) 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, 70527436 + ... + 70527441.

It is an arithmetic number, because the mean of its divisors is an integer number (141054878).

Almost surely, 2^423164631 is an apocalyptic number.

423164631 is a deficient number, since it is larger than the sum of its proper divisors (141054881).

423164631 is a wasteful number, since it uses less digits than its factorization.

423164631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141054880.

The product of its digits is 10368, while the sum is 30.

The square root of 423164631 is about 20570.9657284241. The cubic root of 423164631 is about 750.7634483762.

The spelling of 423164631 in words is "four hundred twenty-three million, one hundred sixty-four thousand, six hundred thirty-one".