243143403001 has 8 divisors (see below), whose sum is σ = 243423532800. Its totient is φ = 242863435728.

The previous prime is 243143402977. The next prime is 243143403049. The reversal of 243143403001 is 100304341342.

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 243143403001 - 2²³ = 243135014393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243143403301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3090450 + ... + 3168148.

It is an arithmetic number, because the mean of its divisors is an integer number (30427941600).

Almost surely, 2^243143403001 is an apocalyptic number.

It is an amenable number.

243143403001 is a deficient number, since it is larger than the sum of its proper divisors (280129799).

243143403001 is a wasteful number, since it uses less digits than its factorization.

243143403001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81263.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 243143403001 its reverse (100304341342), we get a palindrome (343447744343).

The spelling of 243143403001 in words is "two hundred forty-three billion, one hundred forty-three million, four hundred three thousand, one".