233203312433081 has 2 divisors, whose sum is σ = 233203312433082. Its totient is φ = 233203312433080.

The previous prime is 233203312433029. The next prime is 233203312433101. The reversal of 233203312433081 is 180334213302332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224187255277456 + 9016057155625 = 14972884^2 + 3002675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233203312433081 is a prime.

It is a super-2 number, since 2×233203312433081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (233203312432081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116601656216540 + 116601656216541.

It is an arithmetic number, because the mean of its divisors is an integer number (116601656216541).

Almost surely, 2^{233203312433081} is an apocalyptic number.

It is an amenable number.

233203312433081 is a deficient number, since it is larger than the sum of its proper divisors (1).

233203312433081 is an equidigital number, since it uses as much as digits as its factorization.

233203312433081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 233203312433081 in words is "two hundred thirty-three trillion, two hundred three billion, three hundred twelve million, four hundred thirty-three thousand, eighty-one".