203044240343 has 24 divisors (see below), whose sum is σ = 239643131904. Its totient is φ = 171499196400.

The previous prime is 203044240337. The next prime is 203044240363. The reversal of 203044240343 is 343042440302.

It is not a de Polignac number, because 203044240343 - 2⁶ = 203044240279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203044240363) 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, 7330346 + ... + 7357992.

It is an arithmetic number, because the mean of its divisors is an integer number (9985130496).

Almost surely, 2^203044240343 is an apocalyptic number.

203044240343 is a deficient number, since it is larger than the sum of its proper divisors (36598891561).

203044240343 is a wasteful number, since it uses less digits than its factorization.

203044240343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29843 (or 29836 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 203044240343 its reverse (343042440302), we get a palindrome (546086680645).

The spelling of 203044240343 in words is "two hundred three billion, forty-four million, two hundred forty thousand, three hundred forty-three".