123716413 has 2 divisors, whose sum is σ = 123716414. Its totient is φ = 123716412.

The previous prime is 123716401. The next prime is 123716431. The reversal of 123716413 is 314617321.

Together with next prime (123716431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82410084 + 41306329 = 9078^2 + 6427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123716413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123716513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61858206 + 61858207.

It is an arithmetic number, because the mean of its divisors is an integer number (61858207).

Almost surely, 2^123716413 is an apocalyptic number.

It is an amenable number.

123716413 is a deficient number, since it is larger than the sum of its proper divisors (1).

123716413 is an equidigital number, since it uses as much as digits as its factorization.

123716413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 123716413 is about 11122.7880048125. The cubic root of 123716413 is about 498.2826588989.

The spelling of 123716413 in words is "one hundred twenty-three million, seven hundred sixteen thousand, four hundred thirteen".