231234042033 has 8 divisors (see below), whose sum is σ = 342568951200. Its totient is φ = 154156028004.

The previous prime is 231234041989. The next prime is 231234042043. The reversal of 231234042033 is 330240432132.

231234042033 is a `hidden beast` number, since 2 + 3 + 1 + 234 + 0 + 420 + 3 + 3 = 666.

It is not a de Polignac number, because 231234042033 - 2¹³ = 231234033841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8564223779 = 231234042033 / (2 + 3 + 1 + 2 + 3 + 4 + 0 + 4 + 2 + 0 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 231234041988 and 231234042006.

It is not an unprimeable number, because it can be changed into a prime (231234042043) 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 7 ways as a sum of consecutive naturals, for example, 4282111863 + ... + 4282111916.

It is an arithmetic number, because the mean of its divisors is an integer number (42821118900).

Almost surely, 2^231234042033 is an apocalyptic number.

It is an amenable number.

231234042033 is a deficient number, since it is larger than the sum of its proper divisors (111334909167).

231234042033 is an equidigital number, since it uses as much as digits as its factorization.

231234042033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8564223788 (or 8564223782 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 231234042033 its reverse (330240432132), we get a palindrome (561474474165).

The spelling of 231234042033 in words is "two hundred thirty-one billion, two hundred thirty-four million, forty-two thousand, thirty-three".