423387252 has 36 divisors (see below), whose sum is σ = 1070873440. Its totient is φ = 141044112.

The previous prime is 423387229. The next prime is 423387257. The reversal of 423387252 is 252783324.

423387252 is a `hidden beast` number, since 4 + 23 + 387 + 252 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×423387252² = 358513530312223008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423387257) 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 in 11 ways as a sum of consecutive naturals, for example, 93513 + ... + 97935.

Almost surely, 2^423387252 is an apocalyptic number.

It is an amenable number.

423387252 is an abundant number, since it is smaller than the sum of its proper divisors (647486188).

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

423387252 is a wasteful number, since it uses less digits than its factorization.

423387252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092 (or 7087 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 423387252 is about 20576.3760657702. The cubic root of 423387252 is about 750.8950806825.

The spelling of 423387252 in words is "four hundred twenty-three million, three hundred eighty-seven thousand, two hundred fifty-two".