103203443 has 8 divisors (see below), whose sum is σ = 118111488. Its totient is φ = 88336584.

The previous prime is 103203439. The next prime is 103203473. The reversal of 103203443 is 344302301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103203443 - 2² = 103203439 is a prime.

It is a super-3 number, since 3×103203443³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103203403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4721 + ... + 15122.

It is an arithmetic number, because the mean of its divisors is an integer number (14763936).

Almost surely, 2^103203443 is an apocalyptic number.

103203443 is a deficient number, since it is larger than the sum of its proper divisors (14908045).

103203443 is an equidigital number, since it uses as much as digits as its factorization.

103203443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20593.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 103203443 is about 10158.9095379376. The cubic root of 103203443 is about 469.0632360183.

Adding to 103203443 its reverse (344302301), we get a palindrome (447505744).

The spelling of 103203443 in words is "one hundred three million, two hundred three thousand, four hundred forty-three".