103412143 has 2 divisors, whose sum is σ = 103412144. Its totient is φ = 103412142.

The previous prime is 103412131. The next prime is 103412161. The reversal of 103412143 is 341214301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103412143 - 2⁹ = 103411631 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 103412143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103412123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51706071 + 51706072.

It is an arithmetic number, because the mean of its divisors is an integer number (51706072).

Almost surely, 2^103412143 is an apocalyptic number.

103412143 is a deficient number, since it is larger than the sum of its proper divisors (1).

103412143 is an equidigital number, since it uses as much as digits as its factorization.

103412143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 103412143 is about 10169.1761219875. The cubic root of 103412143 is about 469.3792060453.

Adding to 103412143 its reverse (341214301), we get a palindrome (444626444).

The spelling of 103412143 in words is "one hundred three million, four hundred twelve thousand, one hundred forty-three".