423331252 has 12 divisors (see below), whose sum is σ = 751264416. Its totient is φ = 208684280.

The previous prime is 423331213. The next prime is 423331253. The reversal of 423331252 is 252133324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423331253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745018 + ... + 745585.

It is an arithmetic number, because the mean of its divisors is an integer number (62605368).

Almost surely, 2^423331252 is an apocalyptic number.

It is an amenable number.

423331252 is a deficient number, since it is larger than the sum of its proper divisors (327933164).

423331252 is a wasteful number, since it uses less digits than its factorization.

423331252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490678 (or 1490676 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 423331252 is about 20575.0152369324. The cubic root of 423331252 is about 750.8619731051.

Adding to 423331252 its reverse (252133324), we get a palindrome (675464576).

The spelling of 423331252 in words is "four hundred twenty-three million, three hundred thirty-one thousand, two hundred fifty-two".