423556752 has 40 divisors (see below), whose sum is σ = 1112741280. Its totient is φ = 138791680.

The previous prime is 423556747. The next prime is 423556801. The reversal of 423556752 is 257655324.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 423556752.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71949 + ... + 77612.

It is an arithmetic number, because the mean of its divisors is an integer number (27818532).

Almost surely, 2^423556752 is an apocalyptic number.

It is an amenable number.

423556752 is an abundant number, since it is smaller than the sum of its proper divisors (689184528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423556752 is a wasteful number, since it uses less digits than its factorization.

423556752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149631 (or 149625 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The square root of 423556752 is about 20580.4944547015. The cubic root of 423556752 is about 750.9952724373.

The spelling of 423556752 in words is "four hundred twenty-three million, five hundred fifty-six thousand, seven hundred fifty-two".