423231142 has 16 divisors (see below), whose sum is σ = 671784192. Its totient is φ = 199562440.

The previous prime is 423231103. The next prime is 423231143. The reversal of 423231142 is 241132324.

It is a super-3 number, since 3×423231142³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423231143) 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, 61528 + ... + 68059.

It is an arithmetic number, because the mean of its divisors is an integer number (41986512).

Almost surely, 2^423231142 is an apocalyptic number.

423231142 is a deficient number, since it is larger than the sum of its proper divisors (248553050).

423231142 is a wasteful number, since it uses less digits than its factorization.

423231142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129683.

The product of its digits is 1152, while the sum is 22.

The square root of 423231142 is about 20572.5822880843. The cubic root of 423231142 is about 750.8027801226.

Adding to 423231142 its reverse (241132324), we get a palindrome (664363466).

The spelling of 423231142 in words is "four hundred twenty-three million, two hundred thirty-one thousand, one hundred forty-two".