103165823 has 4 divisors (see below), whose sum is σ = 104857128. Its totient is φ = 101474520.

The previous prime is 103165819. The next prime is 103165831. The reversal of 103165823 is 328561301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328561301 = 2503 ⋅131267.

It is a cyclic number.

It is not a de Polignac number, because 103165823 - 2² = 103165819 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 (103165813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845561 + ... + 845682.

It is an arithmetic number, because the mean of its divisors is an integer number (26214282).

Almost surely, 2^103165823 is an apocalyptic number.

103165823 is a deficient number, since it is larger than the sum of its proper divisors (1691305).

103165823 is an equidigital number, since it uses as much as digits as its factorization.

103165823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691304.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 103165823 is about 10157.0577924909. The cubic root of 103165823 is about 469.0062343557.

The spelling of 103165823 in words is "one hundred three million, one hundred sixty-five thousand, eight hundred twenty-three".