423231032 has 24 divisors (see below), whose sum is σ = 923119560. Its totient is φ = 181384560.

The previous prime is 423231019. The next prime is 423231037. The reversal of 423231032 is 230132324.

It is a junction number, because it is equal to n+sod(n) for n = 423230995 and 423231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423231037) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 539444 + ... + 540227.

It is an arithmetic number, because the mean of its divisors is an integer number (38463315).

Almost surely, 2^423231032 is an apocalyptic number.

It is an amenable number.

423231032 is an abundant number, since it is smaller than the sum of its proper divisors (499888528).

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

423231032 is a wasteful number, since it uses less digits than its factorization.

423231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079691 (or 1079680 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 423231032 is about 20572.5796146230. The cubic root of 423231032 is about 750.8027150767.

Adding to 423231032 its reverse (230132324), we get a palindrome (653363356).

The spelling of 423231032 in words is "four hundred twenty-three million, two hundred thirty-one thousand, thirty-two".