1403342143 has 16 divisors (see below), whose sum is σ = 1629462016. Its totient is φ = 1183779360.

The previous prime is 1403342113. The next prime is 1403342159. The reversal of 1403342143 is 3412433041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1403342143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403342113) 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, 111553 + ... + 123493.

It is an arithmetic number, because the mean of its divisors is an integer number (101841376).

Almost surely, 2^1403342143 is an apocalyptic number.

1403342143 is a deficient number, since it is larger than the sum of its proper divisors (226119873).

1403342143 is a wasteful number, since it uses less digits than its factorization.

1403342143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12214.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1403342143 is about 37461.2085096036. The cubic root of 1403342143 is about 1119.5784295095.

Adding to 1403342143 its reverse (3412433041), we get a palindrome (4815775184).

The spelling of 1403342143 in words is "one billion, four hundred three million, three hundred forty-two thousand, one hundred forty-three".