43400103 has 16 divisors (see below), whose sum is σ = 60714240. Its totient is φ = 27523584.

The previous prime is 43400101. The next prime is 43400107. The reversal of 43400103 is 30100434.

It is not a de Polignac number, because 43400103 - 2¹ = 43400101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43400101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11688 + ... + 14946.

It is an arithmetic number, because the mean of its divisors is an integer number (3794640).

Almost surely, 2^43400103 is an apocalyptic number.

43400103 is a deficient number, since it is larger than the sum of its proper divisors (17314137).

43400103 is a wasteful number, since it uses less digits than its factorization.

43400103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 43400103 is about 6587.8754541961. The cubic root of 43400103 is about 351.4230578769.

Adding to 43400103 its reverse (30100434), we get a palindrome (73500537).

The spelling of 43400103 in words is "forty-three million, four hundred thousand, one hundred three".