123311311301 has 2 divisors, whose sum is σ = 123311311302. Its totient is φ = 123311311300.

The previous prime is 123311311283. The next prime is 123311311313. The reversal of 123311311301 is 103113113321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66538718401 + 56772592900 = 257951^2 + 238270^2 .

It is a cyclic number.

It is not a de Polignac number, because 123311311301 - 2¹⁰ = 123311310277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123311341301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655655650 + 61655655651.

It is an arithmetic number, because the mean of its divisors is an integer number (61655655651).

Almost surely, 2^123311311301 is an apocalyptic number.

It is an amenable number.

123311311301 is a deficient number, since it is larger than the sum of its proper divisors (1).

123311311301 is an equidigital number, since it uses as much as digits as its factorization.

123311311301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 123311311301 its reverse (103113113321), we get a palindrome (226424424622).

The spelling of 123311311301 in words is "one hundred twenty-three billion, three hundred eleven million, three hundred eleven thousand, three hundred one".