423944356 has 12 divisors (see below), whose sum is σ = 809348400. Its totient is φ = 192701960.

The previous prime is 423944341. The next prime is 423944357. The reversal of 423944356 is 653449324.

It is not an unprimeable number, because it can be changed into a prime (423944357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4817506 + ... + 4817593.

It is an arithmetic number, because the mean of its divisors is an integer number (67445700).

Almost surely, 2^423944356 is an apocalyptic number.

It is an amenable number.

423944356 is a deficient number, since it is larger than the sum of its proper divisors (385404044).

423944356 is a wasteful number, since it uses less digits than its factorization.

423944356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635114 (or 9635112 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 423944356 is about 20589.9090818779. The cubic root of 423944356 is about 751.2242854498.

The spelling of 423944356 in words is "four hundred twenty-three million, nine hundred forty-four thousand, three hundred fifty-six".