103823839 has 4 divisors (see below), whose sum is σ = 118655824. Its totient is φ = 88991856.

The previous prime is 103823831. The next prime is 103823861. The reversal of 103823839 is 938328301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938328301 = 463 ⋅2026627.

It is a cyclic number.

It is not a de Polignac number, because 103823839 - 2³ = 103823831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103823798 and 103823807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103823831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7415982 + ... + 7415995.

It is an arithmetic number, because the mean of its divisors is an integer number (29663956).

Almost surely, 2^103823839 is an apocalyptic number.

103823839 is a deficient number, since it is larger than the sum of its proper divisors (14831985).

103823839 is an equidigital number, since it uses as much as digits as its factorization.

103823839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14831984.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 103823839 is about 10189.3983630046. The cubic root of 103823839 is about 470.0012660295.

The spelling of 103823839 in words is "one hundred three million, eight hundred twenty-three thousand, eight hundred thirty-nine".