231232434 has 16 divisors (see below), whose sum is σ = 462859488. Its totient is φ = 77011712.

The previous prime is 231232429. The next prime is 231232471. The reversal of 231232434 is 434232132.

231232434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8532 + ... + 23135.

It is an arithmetic number, because the mean of its divisors is an integer number (28928718).

Almost surely, 2^231232434 is an apocalyptic number.

231232434 is an abundant number, since it is smaller than the sum of its proper divisors (231627054).

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

231232434 is a wasteful number, since it uses less digits than its factorization.

231232434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32889.

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

The square root of 231232434 is about 15206.3287482548. The cubic root of 231232434 is about 613.7849710524.

Adding to 231232434 its reverse (434232132), we get a palindrome (665464566).

The spelling of 231232434 in words is "two hundred thirty-one million, two hundred thirty-two thousand, four hundred thirty-four".