123310133203249 has 2 divisors, whose sum is σ = 123310133203250. Its totient is φ = 123310133203248.

The previous prime is 123310133203217. The next prime is 123310133203289. The reversal of 123310133203249 is 942302331013321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121616342880400 + 1693790322849 = 11027980^2 + 1301457^2 .

It is a cyclic number.

It is not a de Polignac number, because 123310133203249 - 2⁵ = 123310133203217 is a prime.

It is a super-2 number, since 2×123310133203249² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123310133203289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655066601624 + 61655066601625.

It is an arithmetic number, because the mean of its divisors is an integer number (61655066601625).

Almost surely, 2^{123310133203249} is an apocalyptic number.

It is an amenable number.

123310133203249 is a deficient number, since it is larger than the sum of its proper divisors (1).

123310133203249 is an equidigital number, since it uses as much as digits as its factorization.

123310133203249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 123310133203249 in words is "one hundred twenty-three trillion, three hundred ten billion, one hundred thirty-three million, two hundred three thousand, two hundred forty-nine".