123678413 has 2 divisors, whose sum is σ = 123678414. Its totient is φ = 123678412.

The previous prime is 123678407. The next prime is 123678419. The reversal of 123678413 is 314876321.

It is a balanced prime because it is at equal distance from previous prime (123678407) and next prime (123678419).

It can be written as a sum of positive squares in only one way, i.e., 112933129 + 10745284 = 10627^2 + 3278^2 .

It is an emirp because it is prime and its reverse (314876321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123678413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123678419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61839206 + 61839207.

It is an arithmetic number, because the mean of its divisors is an integer number (61839207).

Almost surely, 2^123678413 is an apocalyptic number.

It is an amenable number.

123678413 is a deficient number, since it is larger than the sum of its proper divisors (1).

123678413 is an equidigital number, since it uses as much as digits as its factorization.

123678413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 123678413 is about 11121.0796688091. The cubic root of 123678413 is about 498.2316371589.

The spelling of 123678413 in words is "one hundred twenty-three million, six hundred seventy-eight thousand, four hundred thirteen".