233403641 has 2 divisors, whose sum is σ = 233403642. Its totient is φ = 233403640.

The previous prime is 233403637. The next prime is 233403671. The reversal of 233403641 is 146304332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195888016 + 37515625 = 13996^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 233403641 - 2² = 233403637 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233403641.

It is not a weakly prime, because it can be changed into another prime (233403601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116701820 + 116701821.

It is an arithmetic number, because the mean of its divisors is an integer number (116701821).

Almost surely, 2^233403641 is an apocalyptic number.

It is an amenable number.

233403641 is a deficient number, since it is larger than the sum of its proper divisors (1).

233403641 is an equidigital number, since it uses as much as digits as its factorization.

233403641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 233403641 is about 15277.5535017882. The cubic root of 233403641 is about 615.7000783524.

Adding to 233403641 its reverse (146304332), we get a palindrome (379707973).

The spelling of 233403641 in words is "two hundred thirty-three million, four hundred three thousand, six hundred forty-one".