1143406703 has 4 divisors (see below), whose sum is σ = 1147476048. Its totient is φ = 1139337360.

The previous prime is 1143406699. The next prime is 1143406711. The reversal of 1143406703 is 3076043411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143406703 - 2² = 1143406699 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 (1143406783) 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, 2034251 + ... + 2034812.

It is an arithmetic number, because the mean of its divisors is an integer number (286869012).

Almost surely, 2^1143406703 is an apocalyptic number.

1143406703 is a deficient number, since it is larger than the sum of its proper divisors (4069345).

1143406703 is an equidigital number, since it uses as much as digits as its factorization.

1143406703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069344.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1143406703 is about 33814.2973163720. The cubic root of 1143406703 is about 1045.6834743422.

The spelling of 1143406703 in words is "one billion, one hundred forty-three million, four hundred six thousand, seven hundred three".