2003143355 has 32 divisors (see below), whose sum is σ = 2511129600. Its totient is φ = 1532793600.

The previous prime is 2003143339. The next prime is 2003143357. The reversal of 2003143355 is 5533413002.

It is not a de Polignac number, because 2003143355 - 2⁴ = 2003143339 is a prime.

It is a super-3 number, since 3×2003143355³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2003143357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2898560 + ... + 2899250.

It is an arithmetic number, because the mean of its divisors is an integer number (78472800).

Almost surely, 2^2003143355 is an apocalyptic number.

2003143355 is a deficient number, since it is larger than the sum of its proper divisors (507986245).

2003143355 is a wasteful number, since it uses less digits than its factorization.

2003143355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2003143355 is about 44756.4895294526. The cubic root of 2003143355 is about 1260.5807675830.

Adding to 2003143355 its reverse (5533413002), we get a palindrome (7536556357).

The spelling of 2003143355 in words is "two billion, three million, one hundred forty-three thousand, three hundred fifty-five".