231043232433 has 16 divisors (see below), whose sum is σ = 332835035456. Its totient is φ = 141717314880.

The previous prime is 231043232417. The next prime is 231043232471. The reversal of 231043232433 is 334232340132.

It is not a de Polignac number, because 231043232433 - 2⁴ = 231043232417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231043232433.

It is not an unprimeable number, because it can be changed into a prime (231043232473) 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, 9636538 + ... + 9660483.

It is an arithmetic number, because the mean of its divisors is an integer number (20802189716).

Almost surely, 2^231043232433 is an apocalyptic number.

It is an amenable number.

231043232433 is a deficient number, since it is larger than the sum of its proper divisors (101791803023).

231043232433 is a wasteful number, since it uses less digits than its factorization.

231043232433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19297344.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 231043232433 its reverse (334232340132), we get a palindrome (565275572565).

The spelling of 231043232433 in words is "two hundred thirty-one billion, forty-three million, two hundred thirty-two thousand, four hundred thirty-three".