231242423432 has 16 divisors (see below), whose sum is σ = 459084223260. Its totient is φ = 108819963904.

The previous prime is 231242423417. The next prime is 231242423479. The reversal of 231242423432 is 234324242132.

It can be written as a sum of positive squares in 2 ways, for example, as 227553804676 + 3688618756 = 477026^2 + 60734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850155833 + ... + 850156104.

Almost surely, 2^231242423432 is an apocalyptic number.

It is an amenable number.

231242423432 is a deficient number, since it is larger than the sum of its proper divisors (227841799828).

231242423432 is a wasteful number, since it uses less digits than its factorization.

231242423432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700311960 (or 1700311956 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

Adding to 231242423432 its reverse (234324242132), we get a palindrome (465566665564).

The spelling of 231242423432 in words is "two hundred thirty-one billion, two hundred forty-two million, four hundred twenty-three thousand, four hundred thirty-two".