203234332143 has 32 divisors (see below), whose sum is σ = 290279635200. Its totient is φ = 126096480000.

The previous prime is 203234332141. The next prime is 203234332159. The reversal of 203234332143 is 341233432302.

It is not a de Polignac number, because 203234332143 - 2¹ = 203234332141 is a prime.

It is a super-2 number, since 2×203234332143² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203234332143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203234332141) 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, 2776768 + ... + 2849018.

It is an arithmetic number, because the mean of its divisors is an integer number (9071238600).

Almost surely, 2^203234332143 is an apocalyptic number.

203234332143 is a deficient number, since it is larger than the sum of its proper divisors (87045303057).

203234332143 is a wasteful number, since it uses less digits than its factorization.

203234332143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73143.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 203234332143 its reverse (341233432302), we get a palindrome (544467764445).

The spelling of 203234332143 in words is "two hundred three billion, two hundred thirty-four million, three hundred thirty-two thousand, one hundred forty-three".