423231234 has 32 divisors (see below), whose sum is σ = 907148160. Its totient is φ = 131294592.

The previous prime is 423231209. The next prime is 423231239. The reversal of 423231234 is 432132324.

It is not an unprimeable number, because it can be changed into a prime (423231239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36339 + ... + 46550.

It is an arithmetic number, because the mean of its divisors is an integer number (28348380).

Almost surely, 2^423231234 is an apocalyptic number.

423231234 is an abundant number, since it is smaller than the sum of its proper divisors (483916926).

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

423231234 is a wasteful number, since it uses less digits than its factorization.

423231234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82954.

The product of its digits is 3456, while the sum is 24.

The square root of 423231234 is about 20572.5845240699. The cubic root of 423231234 is about 750.8028345245.

Adding to 423231234 its reverse (432132324), we get a palindrome (855363558).

The spelling of 423231234 in words is "four hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty-four".