103900343 has 4 divisors (see below), whose sum is σ = 103925760. Its totient is φ = 103874928.

The previous prime is 103900339. The next prime is 103900387. The reversal of 103900343 is 343009301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343009301 = 283 ⋅1212047.

It is a cyclic number.

It is not a de Polignac number, because 103900343 - 2² = 103900339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103900333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5030 + ... + 15267.

It is an arithmetic number, because the mean of its divisors is an integer number (25981440).

Almost surely, 2^103900343 is an apocalyptic number.

103900343 is a deficient number, since it is larger than the sum of its proper divisors (25417).

103900343 is an equidigital number, since it uses as much as digits as its factorization.

103900343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25416.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 103900343 is about 10193.1517696932. The cubic root of 103900343 is about 470.1166799493.

Adding to 103900343 its reverse (343009301), we get a palindrome (446909644).

The spelling of 103900343 in words is "one hundred three million, nine hundred thousand, three hundred forty-three".