423231104 has 64 divisors (see below), whose sum is σ = 880821000. Its totient is φ = 202309632.

The previous prime is 423231103. The next prime is 423231143. The reversal of 423231104 is 401132324.

It can be written as a sum of positive squares in 4 ways, for example, as 203005504 + 220225600 = 14248^2 + 14840^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (423231101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418952 + ... + 419960.

Almost surely, 2^423231104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440410500).

423231104 is an abundant number, since it is smaller than the sum of its proper divisors (457589896).

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

423231104 is a wasteful number, since it uses less digits than its factorization.

423231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 423231104 is about 20572.5813645250. The cubic root of 423231104 is about 750.8027576522.

Adding to 423231104 its reverse (401132324), we get a palindrome (824363428).

The spelling of 423231104 in words is "four hundred twenty-three million, two hundred thirty-one thousand, one hundred four".