243206843376 has 40 divisors (see below), whose sum is σ = 718039252864. Its totient is φ = 69487669440.

The previous prime is 243206843357. The next prime is 243206843437. The reversal of 243206843376 is 673348602342.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361914610 + ... + 361915281.

Almost surely, 2^243206843376 is an apocalyptic number.

It is an amenable number.

243206843376 is an abundant number, since it is smaller than the sum of its proper divisors (474832409488).

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

243206843376 is a wasteful number, since it uses less digits than its factorization.

243206843376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723829909 (or 723829903 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 48.

The spelling of 243206843376 in words is "two hundred forty-three billion, two hundred six million, eight hundred forty-three thousand, three hundred seventy-six".