423123244 has 6 divisors (see below), whose sum is σ = 740465684. Its totient is φ = 211561620.

The previous prime is 423123191. The next prime is 423123271. The reversal of 423123244 is 442321324.

It is a happy number.

It is a super-2 number, since 2×423123244² = 358066559226167072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52890402 + ... + 52890409.

Almost surely, 2^423123244 is an apocalyptic number.

It is an amenable number.

423123244 is a deficient number, since it is larger than the sum of its proper divisors (317342440).

423123244 is a wasteful number, since it uses less digits than its factorization.

423123244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105780815 (or 105780813 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 423123244 is about 20569.9597471653. The cubic root of 423123244 is about 750.7389718032.

Adding to 423123244 its reverse (442321324), we get a palindrome (865444568).

The spelling of 423123244 in words is "four hundred twenty-three million, one hundred twenty-three thousand, two hundred forty-four".