243223157677307 has 4 divisors (see below), whose sum is σ = 243407557343280. Its totient is φ = 243038758011336.

The previous prime is 243223157677303. The next prime is 243223157677333. The reversal of 243223157677307 is 703776751322342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 243223157677307 - 2² = 243223157677303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243223157677303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92199831008 + ... + 92199833645.

It is an arithmetic number, because the mean of its divisors is an integer number (60851889335820).

Almost surely, 2^{243223157677307} is an apocalyptic number.

243223157677307 is a deficient number, since it is larger than the sum of its proper divisors (184399665973).

243223157677307 is a wasteful number, since it uses less digits than its factorization.

243223157677307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184399665972.

The product of its (nonzero) digits is 62233920, while the sum is 59.

The spelling of 243223157677307 in words is "two hundred forty-three trillion, two hundred twenty-three billion, one hundred fifty-seven million, six hundred seventy-seven thousand, three hundred seven".