123327813 has 16 divisors (see below), whose sum is σ = 188098560. Its totient is φ = 70409136.

The previous prime is 123327779. The next prime is 123327821. The reversal of 123327813 is 318723321.

It is not a de Polignac number, because 123327813 - 2¹³ = 123319621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123327823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30856 + ... + 34622.

It is an arithmetic number, because the mean of its divisors is an integer number (11756160).

Almost surely, 2^123327813 is an apocalyptic number.

It is an amenable number.

123327813 is a deficient number, since it is larger than the sum of its proper divisors (64770747).

123327813 is a wasteful number, since it uses less digits than its factorization.

123327813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336.

The product of its digits is 6048, while the sum is 30.

The square root of 123327813 is about 11105.3056238899. The cubic root of 123327813 is about 497.7604007012.

The spelling of 123327813 in words is "one hundred twenty-three million, three hundred twenty-seven thousand, eight hundred thirteen".