243331422004 has 24 divisors (see below), whose sum is σ = 464873976000. Its totient is φ = 110526103680.

The previous prime is 243331421953. The next prime is 243331422043. The reversal of 243331422004 is 400224133342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914949 + ... + 2038060.

It is an arithmetic number, because the mean of its divisors is an integer number (19369749000).

Almost surely, 2^243331422004 is an apocalyptic number.

It is an amenable number.

243331422004 is a deficient number, since it is larger than the sum of its proper divisors (221542553996).

243331422004 is a wasteful number, since it uses less digits than its factorization.

243331422004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954423 (or 3954421 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 243331422004 its reverse (400224133342), we get a palindrome (643555555346).

The spelling of 243331422004 in words is "two hundred forty-three billion, three hundred thirty-one million, four hundred twenty-two thousand, four".