103143823 has 4 divisors (see below), whose sum is σ = 105659568. Its totient is φ = 100628080.

The previous prime is 103143793. The next prime is 103143839. The reversal of 103143823 is 328341301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328341301 = 79 ⋅4156219.

It is a cyclic number.

It is not a de Polignac number, because 103143823 - 2⁹ = 103143311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103143223) 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, 1257811 + ... + 1257892.

It is an arithmetic number, because the mean of its divisors is an integer number (26414892).

Almost surely, 2^103143823 is an apocalyptic number.

103143823 is a deficient number, since it is larger than the sum of its proper divisors (2515745).

103143823 is an equidigital number, since it uses as much as digits as its factorization.

103143823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515744.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 103143823 is about 10155.9747439623. The cubic root of 103143823 is about 468.9728936284.

The spelling of 103143823 in words is "one hundred three million, one hundred forty-three thousand, eight hundred twenty-three".