231232354233 has 16 divisors (see below), whose sum is σ = 324719411520. Its totient is φ = 145959238656.

The previous prime is 231232354229. The next prime is 231232354267. The reversal of 231232354233 is 332453232132.

It is a happy number.

It is not a de Polignac number, because 231232354233 - 2² = 231232354229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231232354194 and 231232354203.

It is not an unprimeable number, because it can be changed into a prime (231232354733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040160 + ... + 1242737.

It is an arithmetic number, because the mean of its divisors is an integer number (20294963220).

Almost surely, 2^231232354233 is an apocalyptic number.

It is an amenable number.

231232354233 is a deficient number, since it is larger than the sum of its proper divisors (93487057287).

231232354233 is a wasteful number, since it uses less digits than its factorization.

231232354233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284696.

The product of its digits is 77760, while the sum is 33.

Adding to 231232354233 its reverse (332453232132), we get a palindrome (563685586365).

The spelling of 231232354233 in words is "two hundred thirty-one billion, two hundred thirty-two million, three hundred fifty-four thousand, two hundred thirty-three".