243331422003 has 64 divisors (see below), whose sum is σ = 395611920000. Its totient is φ = 147188109312.

The previous prime is 243331421953. The next prime is 243331422043. The reversal of 243331422003 is 300224133342.

243331422003 is a `hidden beast` number, since 2 + 433 + 3 + 1 + 4 + 220 + 0 + 3 = 666.

It is not a de Polignac number, because 243331422003 - 2¹⁰ = 243331420979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (243331422043) 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 63 ways as a sum of consecutive naturals, for example, 1785423 + ... + 1916871.

It is an arithmetic number, because the mean of its divisors is an integer number (6181436250).

Almost surely, 2^243331422003 is an apocalyptic number.

243331422003 is a deficient number, since it is larger than the sum of its proper divisors (152280497997).

243331422003 is a wasteful number, since it uses less digits than its factorization.

243331422003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131621 (or 131615 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 243331422003 its reverse (300224133342), we get a palindrome (543555555345).

The spelling of 243331422003 in words is "two hundred forty-three billion, three hundred thirty-one million, four hundred twenty-two thousand, three".