233947841 has 2 divisors, whose sum is σ = 233947842. Its totient is φ = 233947840.

The previous prime is 233947823. The next prime is 233947849. The reversal of 233947841 is 148749332.

233947841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233937025 + 10816 = 15295^2 + 104^2 .

It is a cyclic number.

It is not a de Polignac number, because 233947841 - 2¹⁴ = 233931457 is a prime.

It is a super-2 number, since 2×233947841² = 109463184617122562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (233947849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116973920 + 116973921.

It is an arithmetic number, because the mean of its divisors is an integer number (116973921).

Almost surely, 2^233947841 is an apocalyptic number.

It is an amenable number.

233947841 is a deficient number, since it is larger than the sum of its proper divisors (1).

233947841 is an equidigital number, since it uses as much as digits as its factorization.

233947841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 233947841 is about 15295.3535755144. The cubic root of 233947841 is about 616.1782255771.

The spelling of 233947841 in words is "two hundred thirty-three million, nine hundred forty-seven thousand, eight hundred forty-one".