123364013 has 2 divisors, whose sum is σ = 123364014. Its totient is φ = 123364012.

The previous prime is 123363983. The next prime is 123364079. The reversal of 123364013 is 310463321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119727364 + 3636649 = 10942^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 123364013 - 2¹² = 123359917 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123364013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123364513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61682006 + 61682007.

It is an arithmetic number, because the mean of its divisors is an integer number (61682007).

Almost surely, 2^123364013 is an apocalyptic number.

It is an amenable number.

123364013 is a deficient number, since it is larger than the sum of its proper divisors (1).

123364013 is an equidigital number, since it uses as much as digits as its factorization.

123364013 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.

The square root of 123364013 is about 11106.9353558936. The cubic root of 123364013 is about 497.8090979181.

The spelling of 123364013 in words is "one hundred twenty-three million, three hundred sixty-four thousand, thirteen".