203144043 has 8 divisors (see below), whose sum is σ = 280198800. Its totient is φ = 130759328.

The previous prime is 203144041. The next prime is 203144047. The reversal of 203144043 is 340441302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203144043 - 2¹ = 203144041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203144041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167408 + ... + 1167581.

It is an arithmetic number, because the mean of its divisors is an integer number (35024850).

Almost surely, 2^203144043 is an apocalyptic number.

203144043 is a deficient number, since it is larger than the sum of its proper divisors (77054757).

203144043 is a wasteful number, since it uses less digits than its factorization.

203144043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335021.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 203144043 is about 14252.8608707164. The cubic root of 203144043 is about 587.8520411886.

Adding to 203144043 its reverse (340441302), we get a palindrome (543585345).

The spelling of 203144043 in words is "two hundred three million, one hundred forty-four thousand, forty-three".