233157433903 has 2 divisors, whose sum is σ = 233157433904. Its totient is φ = 233157433902.

The previous prime is 233157433799. The next prime is 233157433909. The reversal of 233157433903 is 309334751332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233157433903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233157433903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233157433909) 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 as a sum of consecutive naturals, namely, 116578716951 + 116578716952.

It is an arithmetic number, because the mean of its divisors is an integer number (116578716952).

Almost surely, 2^233157433903 is an apocalyptic number.

233157433903 is a deficient number, since it is larger than the sum of its proper divisors (1).

233157433903 is an equidigital number, since it uses as much as digits as its factorization.

233157433903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 43.

The spelling of 233157433903 in words is "two hundred thirty-three billion, one hundred fifty-seven million, four hundred thirty-three thousand, nine hundred three".