103400043 has 8 divisors (see below), whose sum is σ = 138745488. Its totient is φ = 68493984.

The previous prime is 103400039. The next prime is 103400107. The reversal of 103400043 is 340004301.

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

It is not a de Polignac number, because 103400043 - 2² = 103400039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103399995 and 103400031.

It is not an unprimeable number, because it can be changed into a prime (103420043) 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, 109296 + ... + 110237.

It is an arithmetic number, because the mean of its divisors is an integer number (17343186).

Almost surely, 2^103400043 is an apocalyptic number.

103400043 is a deficient number, since it is larger than the sum of its proper divisors (35345445).

103400043 is a wasteful number, since it uses less digits than its factorization.

103400043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219693.

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

The square root of 103400043 is about 10168.5811694651. The cubic root of 103400043 is about 469.3608983632.

Adding to 103400043 its reverse (340004301), we get a palindrome (443404344).

The spelling of 103400043 in words is "one hundred three million, four hundred thousand, forty-three".