423116631 has 12 divisors (see below), whose sum is σ = 698478352. Its totient is φ = 241780896.

The previous prime is 423116623. The next prime is 423116651. The reversal of 423116631 is 136611324.

423116631 is a `hidden beast` number, since 4 + 23 + 1 + 1 + 6 + 631 = 666.

It is not a de Polignac number, because 423116631 - 2³ = 423116623 is a prime.

It is a super-2 number, since 2×423116631² = 358055366857580322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423116595 and 423116604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423116611) 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 11 ways as a sum of consecutive naturals, for example, 3358006 + ... + 3358131.

Almost surely, 2^423116631 is an apocalyptic number.

423116631 is a deficient number, since it is larger than the sum of its proper divisors (275361721).

423116631 is a wasteful number, since it uses less digits than its factorization.

423116631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716150 (or 6716147 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 423116631 is about 20569.7990024210. The cubic root of 423116631 is about 750.7350606790.

Adding to 423116631 its reverse (136611324), we get a palindrome (559727955).

The spelling of 423116631 in words is "four hundred twenty-three million, one hundred sixteen thousand, six hundred thirty-one".