123383911 has 12 divisors (see below), whose sum is σ = 143783640. Its totient is φ = 105569520.

The previous prime is 123383879. The next prime is 123383921. The reversal of 123383911 is 119383321.

It is not a de Polignac number, because 123383911 - 2⁵ = 123383879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123383921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30381 + ... + 34201.

It is an arithmetic number, because the mean of its divisors is an integer number (11981970).

Almost surely, 2^123383911 is an apocalyptic number.

123383911 is a deficient number, since it is larger than the sum of its proper divisors (20399729).

123383911 is an equidigital number, since it uses as much as digits as its factorization.

123383911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494 (or 4487 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 123383911 is about 11107.8310664144. The cubic root of 123383911 is about 497.8358611874.

The spelling of 123383911 in words is "one hundred twenty-three million, three hundred eighty-three thousand, nine hundred eleven".