243723634364 has 24 divisors (see below), whose sum is σ = 487855925088. Its totient is φ = 104365416960.

The previous prime is 243723634321. The next prime is 243723634369. The reversal of 243723634364 is 463436327342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243723634369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614717 + ... + 3681524.

It is an arithmetic number, because the mean of its divisors is an integer number (20327330212).

Almost surely, 2^243723634364 is an apocalyptic number.

It is an amenable number.

243723634364 is an abundant number, since it is smaller than the sum of its proper divisors (244132290724).

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

243723634364 is a wasteful number, since it uses less digits than its factorization.

243723634364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297445 (or 7297443 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 47.

The spelling of 243723634364 in words is "two hundred forty-three billion, seven hundred twenty-three million, six hundred thirty-four thousand, three hundred sixty-four".