231423132033 has 6 divisors (see below), whose sum is σ = 334277857394. Its totient is φ = 154282088016.

The previous prime is 231423132023. The next prime is 231423132037. The reversal of 231423132033 is 330231324132.

231423132033 is a `hidden beast` number, since 2 + 3 + 142 + 313 + 203 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 228592040769 + 2831091264 = 478113^2 + 53208^2 .

It is not a de Polignac number, because 231423132033 - 2²¹ = 231421034881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231423131988 and 231423132006.

It is not an unprimeable number, because it can be changed into a prime (231423132037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12856840660 + ... + 12856840677.

Almost surely, 2^231423132033 is an apocalyptic number.

It is an amenable number.

231423132033 is a deficient number, since it is larger than the sum of its proper divisors (102854725361).

231423132033 is a wasteful number, since it uses less digits than its factorization.

231423132033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25713681343 (or 25713681340 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 231423132033 its reverse (330231324132), we get a palindrome (561654456165).

The spelling of 231423132033 in words is "two hundred thirty-one billion, four hundred twenty-three million, one hundred thirty-two thousand, thirty-three".