123203021233273 has 2 divisors, whose sum is σ = 123203021233274. Its totient is φ = 123203021233272.

The previous prime is 123203021233223. The next prime is 123203021233297. The reversal of 123203021233273 is 372332120302321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75523278110569 + 47679743122704 = 8690413^2 + 6905052^2 .

It is a cyclic number.

It is not a de Polignac number, because 123203021233273 - 2²⁹ = 123202484362361 is a prime.

It is not a weakly prime, because it can be changed into another prime (123203021233223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601510616636 + 61601510616637.

It is an arithmetic number, because the mean of its divisors is an integer number (61601510616637).

Almost surely, 2^{123203021233273} is an apocalyptic number.

It is an amenable number.

123203021233273 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203021233273 is an equidigital number, since it uses as much as digits as its factorization.

123203021233273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 34.

Adding to 123203021233273 its reverse (372332120302321), we get a palindrome (495535141535594).

The spelling of 123203021233273 in words is "one hundred twenty-three trillion, two hundred three billion, twenty-one million, two hundred thirty-three thousand, two hundred seventy-three".