243243225104 has 20 divisors (see below), whose sum is σ = 514127726160. Its totient is φ = 110565102240.

The previous prime is 243243225091. The next prime is 243243225139. The reversal of 243243225104 is 401522342342.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 691031714 + ... + 691032065.

It is an arithmetic number, because the mean of its divisors is an integer number (25706386308).

Almost surely, 2^243243225104 is an apocalyptic number.

It is an amenable number.

243243225104 is an abundant number, since it is smaller than the sum of its proper divisors (270884501056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243243225104 is a wasteful number, since it uses less digits than its factorization.

243243225104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382063798 (or 1382063792 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 243243225104 its reverse (401522342342), we get a palindrome (644765567446).

The spelling of 243243225104 in words is "two hundred forty-three billion, two hundred forty-three million, two hundred twenty-five thousand, one hundred four".