1143317473 has 8 divisors (see below), whose sum is σ = 1227623040. Its totient is φ = 1060906560.

The previous prime is 1143317443. The next prime is 1143317503. The reversal of 1143317473 is 3747133411.

It is an interprime number because it is at equal distance from previous prime (1143317443) and next prime (1143317503).

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

It is a cyclic number.

It is not a de Polignac number, because 1143317473 - 2²¹ = 1141220321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143317423) 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, 472413 + ... + 474826.

It is an arithmetic number, because the mean of its divisors is an integer number (153452880).

Almost surely, 2^1143317473 is an apocalyptic number.

It is an amenable number.

1143317473 is a deficient number, since it is larger than the sum of its proper divisors (84305567).

1143317473 is an equidigital number, since it uses as much as digits as its factorization.

1143317473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947327.

The product of its digits is 21168, while the sum is 34.

The square root of 1143317473 is about 33812.9778783236. The cubic root of 1143317473 is about 1045.6562723666.

The spelling of 1143317473 in words is "one billion, one hundred forty-three million, three hundred seventeen thousand, four hundred seventy-three".