103123043 has 4 divisors (see below), whose sum is σ = 106679040. Its totient is φ = 99567048.

The previous prime is 103123039. The next prime is 103123061. The reversal of 103123043 is 340321301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340321301 = 37 ⋅9197873.

It is a cyclic number.

It is not a de Polignac number, because 103123043 - 2² = 103123039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777955 + ... + 1778012.

It is an arithmetic number, because the mean of its divisors is an integer number (26669760).

Almost surely, 2^103123043 is an apocalyptic number.

103123043 is a deficient number, since it is larger than the sum of its proper divisors (3555997).

103123043 is an equidigital number, since it uses as much as digits as its factorization.

103123043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555996.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 103123043 is about 10154.9516493187. The cubic root of 103123043 is about 468.9413974420.

Adding to 103123043 its reverse (340321301), we get a palindrome (443444344).

The spelling of 103123043 in words is "one hundred three million, one hundred twenty-three thousand, forty-three".