423631324 has 12 divisors (see below), whose sum is σ = 744458400. Its totient is φ = 210928928.

The previous prime is 423631309. The next prime is 423631331. The reversal of 423631324 is 423136324.

It is a junction number, because it is equal to n+sod(n) for n = 423631292 and 423631301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220609 + ... + 222520.

It is an arithmetic number, because the mean of its divisors is an integer number (62038200).

Almost surely, 2^423631324 is an apocalyptic number.

It is an amenable number.

423631324 is a deficient number, since it is larger than the sum of its proper divisors (320827076).

423631324 is a wasteful number, since it uses less digits than its factorization.

423631324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443372 (or 443370 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 423631324 is about 20582.3060904263. The cubic root of 423631324 is about 751.0393436137.

Adding to 423631324 its reverse (423136324), we get a palindrome (846767648).

The spelling of 423631324 in words is "four hundred twenty-three million, six hundred thirty-one thousand, three hundred twenty-four".