423151252 has 6 divisors (see below), whose sum is σ = 740514698. Its totient is φ = 211575624.

The previous prime is 423151249. The next prime is 423151279. The reversal of 423151252 is 252151324.

It can be written as a sum of positive squares in only one way, i.e., 419594256 + 3556996 = 20484^2 + 1886^2 .

It is a congruent number.

It is an unprimeable number.

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, 52893903 + ... + 52893910.

Almost surely, 2^423151252 is an apocalyptic number.

It is an amenable number.

423151252 is a deficient number, since it is larger than the sum of its proper divisors (317363446).

423151252 is a wasteful number, since it uses less digits than its factorization.

423151252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105787817 (or 105787815 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 423151252 is about 20570.6405345094. The cubic root of 423151252 is about 750.7555361128.

The spelling of 423151252 in words is "four hundred twenty-three million, one hundred fifty-one thousand, two hundred fifty-two".