233218963 has 2 divisors, whose sum is σ = 233218964. Its totient is φ = 233218962.

The previous prime is 233218949. The next prime is 233218987. The reversal of 233218963 is 369812332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 233218963 - 2⁹ = 233218451 is a prime.

It is not a weakly prime, because it can be changed into another prime (233218663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116609481 + 116609482.

It is an arithmetic number, because the mean of its divisors is an integer number (116609482).

Almost surely, 2^233218963 is an apocalyptic number.

233218963 is a deficient number, since it is larger than the sum of its proper divisors (1).

233218963 is an equidigital number, since it uses as much as digits as its factorization.

233218963 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 233218963 is about 15271.5082097349. The cubic root of 233218963 is about 615.5376469219.

The spelling of 233218963 in words is "two hundred thirty-three million, two hundred eighteen thousand, nine hundred sixty-three".