243113613403 has 8 divisors (see below), whose sum is σ = 255964276800. Its totient is φ = 230268471048.

The previous prime is 243113613401. The next prime is 243113613419. The reversal of 243113613403 is 304316311342.

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 243113613403 - 2¹ = 243113613401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243113613401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289713 + ... + 1466146.

It is an arithmetic number, because the mean of its divisors is an integer number (31995534600).

Almost surely, 2^243113613403 is an apocalyptic number.

243113613403 is a deficient number, since it is larger than the sum of its proper divisors (12850663397).

243113613403 is a wasteful number, since it uses less digits than its factorization.

243113613403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760521.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 243113613403 its reverse (304316311342), we get a palindrome (547429924745).

The spelling of 243113613403 in words is "two hundred forty-three billion, one hundred thirteen million, six hundred thirteen thousand, four hundred three".