238304233 has 2 divisors, whose sum is σ = 238304234. Its totient is φ = 238304232.

The previous prime is 238304221. The next prime is 238304243. The reversal of 238304233 is 332403832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238146624 + 157609 = 15432^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 238304233 - 2⁵ = 238304201 is a prime.

It is not a weakly prime, because it can be changed into another prime (238304203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119152116 + 119152117.

It is an arithmetic number, because the mean of its divisors is an integer number (119152117).

Almost surely, 2^238304233 is an apocalyptic number.

It is an amenable number.

238304233 is a deficient number, since it is larger than the sum of its proper divisors (1).

238304233 is an equidigital number, since it uses as much as digits as its factorization.

238304233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 238304233 is about 15437.1057196613. The cubic root of 238304233 is about 619.9793897068.

The spelling of 238304233 in words is "two hundred thirty-eight million, three hundred four thousand, two hundred thirty-three".