123243422453233 has 2 divisors, whose sum is σ = 123243422453234. Its totient is φ = 123243422453232.

The previous prime is 123243422453201. The next prime is 123243422453269. The reversal of 123243422453233 is 332354224342321.

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., 123189954215409 + 53468237824 = 11099097^2 + 231232^2 .

It is a cyclic number.

It is not a de Polignac number, because 123243422453233 - 2⁵ = 123243422453201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123243422453233.

It is not a weakly prime, because it can be changed into another prime (123243422453293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621711226616 + 61621711226617.

It is an arithmetic number, because the mean of its divisors is an integer number (61621711226617).

Almost surely, 2^{123243422453233} is an apocalyptic number.

It is an amenable number.

123243422453233 is a deficient number, since it is larger than the sum of its proper divisors (1).

123243422453233 is an equidigital number, since it uses as much as digits as its factorization.

123243422453233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 43.

Adding to 123243422453233 its reverse (332354224342321), we get a palindrome (455597646795554).

The spelling of 123243422453233 in words is "one hundred twenty-three trillion, two hundred forty-three billion, four hundred twenty-two million, four hundred fifty-three thousand, two hundred thirty-three".