233320145563 has 2 divisors, whose sum is σ = 233320145564. Its totient is φ = 233320145562.

The previous prime is 233320145549. The next prime is 233320145567. The reversal of 233320145563 is 365541023332.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233320145563 is a prime.

It is not a weakly prime, because it can be changed into another prime (233320145567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116660072781 + 116660072782.

It is an arithmetic number, because the mean of its divisors is an integer number (116660072782).

Almost surely, 2^233320145563 is an apocalyptic number.

233320145563 is a deficient number, since it is larger than the sum of its proper divisors (1).

233320145563 is an equidigital number, since it uses as much as digits as its factorization.

233320145563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 233320145563 its reverse (365541023332), we get a palindrome (598861168895).

The spelling of 233320145563 in words is "two hundred thirty-three billion, three hundred twenty million, one hundred forty-five thousand, five hundred sixty-three".