123343112353 has 2 divisors, whose sum is σ = 123343112354. Its totient is φ = 123343112352.

The previous prime is 123343112341. The next prime is 123343112377. The reversal of 123343112353 is 353211343321.

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., 72847629409 + 50495482944 = 269903^2 + 224712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123343112353 is a prime.

It is not a weakly prime, because it can be changed into another prime (123343112323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61671556176 + 61671556177.

It is an arithmetic number, because the mean of its divisors is an integer number (61671556177).

Almost surely, 2^123343112353 is an apocalyptic number.

It is an amenable number.

123343112353 is a deficient number, since it is larger than the sum of its proper divisors (1).

123343112353 is an equidigital number, since it uses as much as digits as its factorization.

123343112353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

Adding to 123343112353 its reverse (353211343321), we get a palindrome (476554455674).

The spelling of 123343112353 in words is "one hundred twenty-three billion, three hundred forty-three million, one hundred twelve thousand, three hundred fifty-three".