123310013329 has 2 divisors, whose sum is σ = 123310013330. Its totient is φ = 123310013328.

The previous prime is 123310013297. The next prime is 123310013371. The reversal of 123310013329 is 923310013321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113622926400 + 9687086929 = 337080^2 + 98423^2 .

It is a cyclic number.

It is not a de Polignac number, because 123310013329 - 2⁵ = 123310013297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123310013297 and 123310013306.

It is not a weakly prime, because it can be changed into another prime (123310013389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655006664 + 61655006665.

It is an arithmetic number, because the mean of its divisors is an integer number (61655006665).

Almost surely, 2^123310013329 is an apocalyptic number.

It is an amenable number.

123310013329 is a deficient number, since it is larger than the sum of its proper divisors (1).

123310013329 is an equidigital number, since it uses as much as digits as its factorization.

123310013329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 123310013329 in words is "one hundred twenty-three billion, three hundred ten million, thirteen thousand, three hundred twenty-nine".