243231100403 has 8 divisors (see below), whose sum is σ = 244062258000. Its totient is φ = 242401097088.

The previous prime is 243231100373. The next prime is 243231100423. The reversal of 243231100403 is 304001132342.

243231100403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243231100403 - 2¹⁸ = 243230838259 is a prime.

It is a super-2 number, since 2×243231100403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243231100423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134648 + ... + 710346.

It is an arithmetic number, because the mean of its divisors is an integer number (30507782250).

Almost surely, 2^243231100403 is an apocalyptic number.

243231100403 is a deficient number, since it is larger than the sum of its proper divisors (831157597).

243231100403 is a wasteful number, since it uses less digits than its factorization.

243231100403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577141.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 243231100403 its reverse (304001132342), we get a palindrome (547232232745).

The spelling of 243231100403 in words is "two hundred forty-three billion, two hundred thirty-one million, one hundred thousand, four hundred three".