243320225347 has 2 divisors, whose sum is σ = 243320225348. Its totient is φ = 243320225346.

The previous prime is 243320225341. The next prime is 243320225417. The reversal of 243320225347 is 743522023342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243320225347 - 2³ = 243320225339 is a prime.

It is a super-2 number, since 2×243320225347² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243320225341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121660112673 + 121660112674.

It is an arithmetic number, because the mean of its divisors is an integer number (121660112674).

Almost surely, 2^243320225347 is an apocalyptic number.

243320225347 is a deficient number, since it is larger than the sum of its proper divisors (1).

243320225347 is an equidigital number, since it uses as much as digits as its factorization.

243320225347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 37.

Adding to 243320225347 its reverse (743522023342), we get a palindrome (986842248689).

The spelling of 243320225347 in words is "two hundred forty-three billion, three hundred twenty million, two hundred twenty-five thousand, three hundred forty-seven".