123331321013273 has 2 divisors, whose sum is σ = 123331321013274. Its totient is φ = 123331321013272.

The previous prime is 123331321013231. The next prime is 123331321013387. The reversal of 123331321013273 is 372310123133321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76655138005264 + 46676183008009 = 8755292^2 + 6831997^2 .

It is a cyclic number.

It is not a de Polignac number, because 123331321013273 - 2¹² = 123331321009177 is a prime.

It is a super-2 number, since 2×123331321013273² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123331321013573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61665660506636 + 61665660506637.

It is an arithmetic number, because the mean of its divisors is an integer number (61665660506637).

Almost surely, 2^{123331321013273} is an apocalyptic number.

It is an amenable number.

123331321013273 is a deficient number, since it is larger than the sum of its proper divisors (1).

123331321013273 is an equidigital number, since it uses as much as digits as its factorization.

123331321013273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

Adding to 123331321013273 its reverse (372310123133321), we get a palindrome (495641444146594).

The spelling of 123331321013273 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, three hundred twenty-one million, thirteen thousand, two hundred seventy-three".