123303021220241 has 2 divisors, whose sum is σ = 123303021220242. Its totient is φ = 123303021220240.

The previous prime is 123303021220201. The next prime is 123303021220259. The reversal of 123303021220241 is 142022120303321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74783493585025 + 48519527635216 = 8647745^2 + 6965596^2 .

It is a cyclic number.

It is not a de Polignac number, because 123303021220241 - 2⁶ = 123303021220177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123303021220241.

It is not a weakly prime, because it can be changed into another prime (123303021220201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61651510610120 + 61651510610121.

It is an arithmetic number, because the mean of its divisors is an integer number (61651510610121).

Almost surely, 2^{123303021220241} is an apocalyptic number.

It is an amenable number.

123303021220241 is a deficient number, since it is larger than the sum of its proper divisors (1).

123303021220241 is an equidigital number, since it uses as much as digits as its factorization.

123303021220241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123303021220241 its reverse (142022120303321), we get a palindrome (265325141523562).

The spelling of 123303021220241 in words is "one hundred twenty-three trillion, three hundred three billion, twenty-one million, two hundred twenty thousand, two hundred forty-one".