103443055 has 4 divisors (see below), whose sum is σ = 124131672. Its totient is φ = 82754440.

The previous prime is 103443047. The next prime is 103443073. The reversal of 103443055 is 550344301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550344301 = 13 ⋅42334177.

It is not a de Polignac number, because 103443055 - 2³ = 103443047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10344301 + ... + 10344310.

It is an arithmetic number, because the mean of its divisors is an integer number (31032918).

Almost surely, 2^103443055 is an apocalyptic number.

103443055 is a deficient number, since it is larger than the sum of its proper divisors (20688617).

103443055 is an equidigital number, since it uses as much as digits as its factorization.

103443055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20688616.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 103443055 is about 10170.6958955619. The cubic root of 103443055 is about 469.4259703939.

Adding to 103443055 its reverse (550344301), we get a palindrome (653787356).

The spelling of 103443055 in words is "one hundred three million, four hundred forty-three thousand, fifty-five".