423431324 has 6 divisors (see below), whose sum is σ = 741004824. Its totient is φ = 211715660.

The previous prime is 423431299. The next prime is 423431353. The reversal of 423431324 is 423134324.

It is a super-2 number, since 2×423431324² = 358588172288785952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423431293 and 423431302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52928912 + ... + 52928919.

It is an arithmetic number, because the mean of its divisors is an integer number (123500804).

Almost surely, 2^423431324 is an apocalyptic number.

It is an amenable number.

423431324 is a deficient number, since it is larger than the sum of its proper divisors (317573500).

423431324 is a wasteful number, since it uses less digits than its factorization.

423431324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105857835 (or 105857833 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 423431324 is about 20577.4469747829. The cubic root of 423431324 is about 750.9211342931.

Adding to 423431324 its reverse (423134324), we get a palindrome (846565648).

The spelling of 423431324 in words is "four hundred twenty-three million, four hundred thirty-one thousand, three hundred twenty-four".