123123220010303 has 2 divisors, whose sum is σ = 123123220010304. Its totient is φ = 123123220010302.

The previous prime is 123123220010257. The next prime is 123123220010339. The reversal of 123123220010303 is 303010022321321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123123220010303 - 2³⁰ = 123122146268479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123123220013303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61561610005151 + 61561610005152.

It is an arithmetic number, because the mean of its divisors is an integer number (61561610005152).

Almost surely, 2^{123123220010303} is an apocalyptic number.

123123220010303 is a deficient number, since it is larger than the sum of its proper divisors (1).

123123220010303 is an equidigital number, since it uses as much as digits as its factorization.

123123220010303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 123123220010303 its reverse (303010022321321), we get a palindrome (426133242331624).

The spelling of 123123220010303 in words is "one hundred twenty-three trillion, one hundred twenty-three billion, two hundred twenty million, ten thousand, three hundred three".