103443999 has 8 divisors (see below), whose sum is σ = 145184640. Its totient is φ = 65333016.

The previous prime is 103443973. The next prime is 103444007. The reversal of 103443999 is 999344301.

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

It is not a de Polignac number, because 103443999 - 2¹¹ = 103441951 is a prime.

It is a super-2 number, since 2×103443999² = 21401321858224002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 103443999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103443799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907347 + ... + 907460.

It is an arithmetic number, because the mean of its divisors is an integer number (18148080).

Almost surely, 2^103443999 is an apocalyptic number.

103443999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

103443999 is a deficient number, since it is larger than the sum of its proper divisors (41740641).

103443999 is a wasteful number, since it uses less digits than its factorization.

103443999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814829.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 103443999 is about 10170.7423032933. The cubic root of 103443999 is about 469.4273983511.

The spelling of 103443999 in words is "one hundred three million, four hundred forty-three thousand, nine hundred ninety-nine".