1040143203 has 24 divisors (see below), whose sum is σ = 1695535920. Its totient is φ = 608650560.

The previous prime is 1040143193. The next prime is 1040143213. The reversal of 1040143203 is 3023410401.

It is an interprime number because it is at equal distance from previous prime (1040143193) and next prime (1040143213).

It is not a de Polignac number, because 1040143203 - 2¹⁷ = 1040012131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040143213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178276 + ... + 184017.

It is an arithmetic number, because the mean of its divisors is an integer number (70647330).

Almost surely, 2^1040143203 is an apocalyptic number.

1040143203 is a deficient number, since it is larger than the sum of its proper divisors (655392717).

1040143203 is a wasteful number, since it uses less digits than its factorization.

1040143203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362339 (or 362336 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1040143203 is about 32251.2511850316. The cubic root of 1040143203 is about 1013.2059040789.

Adding to 1040143203 its reverse (3023410401), we get a palindrome (4063553604).

The spelling of 1040143203 in words is "one billion, forty million, one hundred forty-three thousand, two hundred three".