423312788 has 12 divisors (see below), whose sum is σ = 741586272. Its totient is φ = 211431000.

The previous prime is 423312751. The next prime is 423312811. The reversal of 423312788 is 887213324.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 52088 + ... + 59663.

It is an arithmetic number, because the mean of its divisors is an integer number (61798856).

Almost surely, 2^423312788 is an apocalyptic number.

It is an amenable number.

423312788 is a deficient number, since it is larger than the sum of its proper divisors (318273484).

423312788 is a wasteful number, since it uses less digits than its factorization.

423312788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112702 (or 112700 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 423312788 is about 20574.5665324935. The cubic root of 423312788 is about 750.8510564239.

The spelling of 423312788 in words is "four hundred twenty-three million, three hundred twelve thousand, seven hundred eighty-eight".