103840573 has 4 divisors (see below), whose sum is σ = 109948860. Its totient is φ = 97732288.

The previous prime is 103840547. The next prime is 103840591. The reversal of 103840573 is 375048301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375048301 = 1499 ⋅250199.

It can be written as a sum of positive squares in 2 ways, for example, as 52388644 + 51451929 = 7238^2 + 7173^2 .

It is a cyclic number.

It is not a de Polignac number, because 103840573 - 2²⁵ = 70286141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103840543) 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, 3054118 + ... + 3054151.

It is an arithmetic number, because the mean of its divisors is an integer number (27487215).

Almost surely, 2^103840573 is an apocalyptic number.

It is an amenable number.

103840573 is a deficient number, since it is larger than the sum of its proper divisors (6108287).

103840573 is an equidigital number, since it uses as much as digits as its factorization.

103840573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108286.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 103840573 is about 10190.2194775186. The cubic root of 103840573 is about 470.0265157818.

Adding to 103840573 its reverse (375048301), we get a palindrome (478888874).

The spelling of 103840573 in words is "one hundred three million, eight hundred forty thousand, five hundred seventy-three".