233300381 has 2 divisors, whose sum is σ = 233300382. Its totient is φ = 233300380.

The previous prime is 233300369. The next prime is 233300399. The reversal of 233300381 is 183003332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232562500 + 737881 = 15250^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 233300381 - 2¹⁰ = 233299357 is a prime.

It is a super-2 number, since 2×233300381² = 108858135549490322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233300321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116650190 + 116650191.

It is an arithmetic number, because the mean of its divisors is an integer number (116650191).

Almost surely, 2^233300381 is an apocalyptic number.

It is an amenable number.

233300381 is a deficient number, since it is larger than the sum of its proper divisors (1).

233300381 is an equidigital number, since it uses as much as digits as its factorization.

233300381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 233300381 is about 15274.1736601362. The cubic root of 233300381 is about 615.6092677609.

The spelling of 233300381 in words is "two hundred thirty-three million, three hundred thousand, three hundred eighty-one".