123336413 has 4 divisors (see below), whose sum is σ = 125960640. Its totient is φ = 120712188.

The previous prime is 123336379. The next prime is 123336461. The reversal of 123336413 is 314633321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123336413 - 2⁶ = 123336349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123336113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312043 + ... + 1312136.

It is an arithmetic number, because the mean of its divisors is an integer number (31490160).

Almost surely, 2^123336413 is an apocalyptic number.

It is an amenable number.

123336413 is a deficient number, since it is larger than the sum of its proper divisors (2624227).

123336413 is an equidigital number, since it uses as much as digits as its factorization.

123336413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624226.

The product of its digits is 3888, while the sum is 26.

The square root of 123336413 is about 11105.6928194508. The cubic root of 123336413 is about 497.7719705162.

Adding to 123336413 its reverse (314633321), we get a palindrome (437969734).

The spelling of 123336413 in words is "one hundred twenty-three million, three hundred thirty-six thousand, four hundred thirteen".