231434223024 has 80 divisors (see below), whose sum is σ = 606540178944. Its totient is φ = 76027123200.

The previous prime is 231434223023. The next prime is 231434223043. The reversal of 231434223024 is 420322434132.

It is a junction number, because it is equal to n+sod(n) for n = 231434222982 and 231434223000.

It is not an unprimeable number, because it can be changed into a prime (231434223023) 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, 9233389 + ... + 9258419.

Almost surely, 2^231434223024 is an apocalyptic number.

231434223024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231434223024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303270089472).

231434223024 is an abundant number, since it is smaller than the sum of its proper divisors (375105955920).

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

231434223024 is a wasteful number, since it uses less digits than its factorization.

231434223024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27826 (or 27820 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 231434223024 its reverse (420322434132), we get a palindrome (651756657156).

The spelling of 231434223024 in words is "two hundred thirty-one billion, four hundred thirty-four million, two hundred twenty-three thousand, twenty-four".