423210244 has 12 divisors (see below), whose sum is σ = 740785500. Its totient is φ = 211557248.

The previous prime is 423210239. The next prime is 423210283. The reversal of 423210244 is 442012324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 278489344 + 144720900 = 16688^2 + 12030^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 14352 + ... + 32440.

It is an arithmetic number, because the mean of its divisors is an integer number (61732125).

Almost surely, 2^423210244 is an apocalyptic number.

It is an amenable number.

423210244 is a deficient number, since it is larger than the sum of its proper divisors (317575256).

423210244 is a wasteful number, since it uses less digits than its factorization.

423210244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23942 (or 23940 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 423210244 is about 20572.0743727996. The cubic root of 423210244 is about 750.7904223877.

Adding to 423210244 its reverse (442012324), we get a palindrome (865222568).

The spelling of 423210244 in words is "four hundred twenty-three million, two hundred ten thousand, two hundred forty-four".