203344022313143 has 4 divisors (see below), whose sum is σ = 203594754770568. Its totient is φ = 203093289855720.

The previous prime is 203344022313139. The next prime is 203344022313149. The reversal of 203344022313143 is 341313220443302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203344022313143 - 2² = 203344022313139 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 (203344022313149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125366227496 + ... + 125366229117.

It is an arithmetic number, because the mean of its divisors is an integer number (50898688692642).

Almost surely, 2^{203344022313143} is an apocalyptic number.

203344022313143 is a deficient number, since it is larger than the sum of its proper divisors (250732457425).

203344022313143 is an equidigital number, since it uses as much as digits as its factorization.

203344022313143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250732457424.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 203344022313143 its reverse (341313220443302), we get a palindrome (544657242756445).

The spelling of 203344022313143 in words is "two hundred three trillion, three hundred forty-four billion, twenty-two million, three hundred thirteen thousand, one hundred forty-three".