203143514223 has 32 divisors (see below), whose sum is σ = 295880320512. Its totient is φ = 123227856000.

The previous prime is 203143514221. The next prime is 203143514227. The reversal of 203143514223 is 322415341302.

It is not a de Polignac number, because 203143514223 - 2¹ = 203143514221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203143514221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 780558 + ... + 1007748.

It is an arithmetic number, because the mean of its divisors is an integer number (9246260016).

Almost surely, 2^203143514223 is an apocalyptic number.

203143514223 is a deficient number, since it is larger than the sum of its proper divisors (92736806289).

203143514223 is a wasteful number, since it uses less digits than its factorization.

203143514223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227535.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 203143514223 its reverse (322415341302), we get a palindrome (525558855525).

The spelling of 203143514223 in words is "two hundred three billion, one hundred forty-three million, five hundred fourteen thousand, two hundred twenty-three".