423724772 has 12 divisors (see below), whose sum is σ = 742312956. Its totient is φ = 211635360.

The previous prime is 423724759. The next prime is 423724781. The reversal of 423724772 is 277427324.

It can be written as a sum of positive squares in 2 ways, for example, as 265820416 + 157904356 = 16304^2 + 12566^2 .

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, 52523 + ... + 60050.

It is an arithmetic number, because the mean of its divisors is an integer number (61859413).

Almost surely, 2^423724772 is an apocalyptic number.

It is an amenable number.

423724772 is a deficient number, since it is larger than the sum of its proper divisors (318588184).

423724772 is a wasteful number, since it uses less digits than its factorization.

423724772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113518 (or 113516 counting only the distinct ones).

The product of its digits is 131712, while the sum is 38.

The square root of 423724772 is about 20584.5760704465. The cubic root of 423724772 is about 751.0945629839.

The spelling of 423724772 in words is "four hundred twenty-three million, seven hundred twenty-four thousand, seven hundred seventy-two".