233263813 has 2 divisors, whose sum is σ = 233263814. Its totient is φ = 233263812.

The previous prime is 233263787. The next prime is 233263837. The reversal of 233263813 is 318362332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206410689 + 26853124 = 14367^2 + 5182^2 .

It is a cyclic number.

It is not a de Polignac number, because 233263813 - 2¹³ = 233255621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233261813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116631906 + 116631907.

It is an arithmetic number, because the mean of its divisors is an integer number (116631907).

Almost surely, 2^233263813 is an apocalyptic number.

It is an amenable number.

233263813 is a deficient number, since it is larger than the sum of its proper divisors (1).

233263813 is an equidigital number, since it uses as much as digits as its factorization.

233263813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 233263813 is about 15272.9765599244. The cubic root of 233263813 is about 615.5771021097.

The spelling of 233263813 in words is "two hundred thirty-three million, two hundred sixty-three thousand, eight hundred thirteen".