233981263 has 2 divisors, whose sum is σ = 233981264. Its totient is φ = 233981262.

The previous prime is 233981249. The next prime is 233981291. The reversal of 233981263 is 362189332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233981263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233981203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116990631 + 116990632.

It is an arithmetic number, because the mean of its divisors is an integer number (116990632).

Almost surely, 2^233981263 is an apocalyptic number.

233981263 is a deficient number, since it is larger than the sum of its proper divisors (1).

233981263 is an equidigital number, since it uses as much as digits as its factorization.

233981263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 233981263 is about 15296.4460905140. The cubic root of 233981263 is about 616.2075667727.

The spelling of 233981263 in words is "two hundred thirty-three million, nine hundred eighty-one thousand, two hundred sixty-three".