423231003 has 24 divisors (see below), whose sum is σ = 679602560. Its totient is φ = 252046080.

The previous prime is 423230933. The next prime is 423231007. The reversal of 423231003 is 300132324.

It is not a de Polignac number, because 423231003 - 2¹² = 423226907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423231007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54718 + ... + 61971.

Almost surely, 2^423231003 is an apocalyptic number.

423231003 is a deficient number, since it is larger than the sum of its proper divisors (256371557).

423231003 is a wasteful number, since it uses less digits than its factorization.

423231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116739 (or 116736 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 423231003 is about 20572.5789098013. The cubic root of 423231003 is about 750.8026979282.

Adding to 423231003 its reverse (300132324), we get a palindrome (723363327).

The spelling of 423231003 in words is "four hundred twenty-three million, two hundred thirty-one thousand, three".