233780863 has 2 divisors, whose sum is σ = 233780864. Its totient is φ = 233780862.

The previous prime is 233780801. The next prime is 233780881. The reversal of 233780863 is 368087332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233780863 - 2¹⁷ = 233649791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233786863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116890431 + 116890432.

It is an arithmetic number, because the mean of its divisors is an integer number (116890432).

Almost surely, 2^233780863 is an apocalyptic number.

233780863 is a deficient number, since it is larger than the sum of its proper divisors (1).

233780863 is an equidigital number, since it uses as much as digits as its factorization.

233780863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 233780863 is about 15289.8941461346. The cubic root of 233780863 is about 616.0315936107.

The spelling of 233780863 in words is "two hundred thirty-three million, seven hundred eighty thousand, eight hundred sixty-three".