123817383 has 8 divisors (see below), whose sum is σ = 183433200. Its totient is φ = 82544904.

The previous prime is 123817367. The next prime is 123817391. The reversal of 123817383 is 383718321.

It is not a de Polignac number, because 123817383 - 2⁴ = 123817367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123817313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292888 + ... + 2292941.

It is an arithmetic number, because the mean of its divisors is an integer number (22929150).

Almost surely, 2^123817383 is an apocalyptic number.

123817383 is a deficient number, since it is larger than the sum of its proper divisors (59615817).

123817383 is an equidigital number, since it uses as much as digits as its factorization.

123817383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585838 (or 4585832 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 123817383 is about 11127.3259590973. The cubic root of 123817383 is about 498.4181782908.

The spelling of 123817383 in words is "one hundred twenty-three million, eight hundred seventeen thousand, three hundred eighty-three".