233824220321869 has 2 divisors, whose sum is σ = 233824220321870. Its totient is φ = 233824220321868.

The previous prime is 233824220321771. The next prime is 233824220321897. The reversal of 233824220321869 is 968123022428332.

233824220321869 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., 227245826355625 + 6578393966244 = 15074675^2 + 2564838^2 .

It is a cyclic number.

It is not a de Polignac number, because 233824220321869 - 2⁹ = 233824220321357 is a prime.

It is a super-2 number, since 2×233824220321869² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233824220301869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116912110160934 + 116912110160935.

It is an arithmetic number, because the mean of its divisors is an integer number (116912110160935).

Almost surely, 2^{233824220321869} is an apocalyptic number.

It is an amenable number.

233824220321869 is a deficient number, since it is larger than the sum of its proper divisors (1).

233824220321869 is an equidigital number, since it uses as much as digits as its factorization.

233824220321869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11943936, while the sum is 55.

The spelling of 233824220321869 in words is "two hundred thirty-three trillion, eight hundred twenty-four billion, two hundred twenty million, three hundred twenty-one thousand, eight hundred sixty-nine".