243423325331 has 2 divisors, whose sum is σ = 243423325332. Its totient is φ = 243423325330.

The previous prime is 243423325303. The next prime is 243423325349. The reversal of 243423325331 is 133523324342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243423325331 - 2¹⁰ = 243423324307 is a prime.

It is a super-2 number, since 2×243423325331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243423325291 and 243423325300.

It is not a weakly prime, because it can be changed into another prime (243423325361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121711662665 + 121711662666.

It is an arithmetic number, because the mean of its divisors is an integer number (121711662666).

Almost surely, 2^243423325331 is an apocalyptic number.

243423325331 is a deficient number, since it is larger than the sum of its proper divisors (1).

243423325331 is an equidigital number, since it uses as much as digits as its factorization.

243423325331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 35.

Adding to 243423325331 its reverse (133523324342), we get a palindrome (376946649673).

The spelling of 243423325331 in words is "two hundred forty-three billion, four hundred twenty-three million, three hundred twenty-five thousand, three hundred thirty-one".