423755272 has 8 divisors (see below), whose sum is σ = 794541150. Its totient is φ = 211877632.

The previous prime is 423755257. The next prime is 423755273. The reversal of 423755272 is 272557324.

It can be written as a sum of positive squares in only one way, i.e., 382358916 + 41396356 = 19554^2 + 6434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (423755273) by changing a digit.

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 as a sum of consecutive naturals, namely, 26484697 + ... + 26484712.

Almost surely, 2^423755272 is an apocalyptic number.

It is an amenable number.

423755272 is a deficient number, since it is larger than the sum of its proper divisors (370785878).

423755272 is a wasteful number, since it uses less digits than its factorization.

423755272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52969415 (or 52969411 counting only the distinct ones).

The product of its digits is 117600, while the sum is 37.

The square root of 423755272 is about 20585.3169030744. The cubic root of 423755272 is about 751.1125839856.

The spelling of 423755272 in words is "four hundred twenty-three million, seven hundred fifty-five thousand, two hundred seventy-two".