423231252 has 36 divisors (see below), whose sum is σ = 1049055840. Its totient is φ = 132777344.

The previous prime is 423231239. The next prime is 423231283. The reversal of 423231252 is 252132324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57552 + ... + 64487.

It is an arithmetic number, because the mean of its divisors is an integer number (29140440).

Almost surely, 2^423231252 is an apocalyptic number.

It is an amenable number.

423231252 is an abundant number, since it is smaller than the sum of its proper divisors (625824588).

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

423231252 is a wasteful number, since it uses less digits than its factorization.

423231252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122080 (or 122061 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 423231252 is about 20572.5849615453. The cubic root of 423231252 is about 750.8028451684.

Adding to 423231252 its reverse (252132324), we get a palindrome (675363576).

The spelling of 423231252 in words is "four hundred twenty-three million, two hundred thirty-one thousand, two hundred fifty-two".