243327453613357 has 4 divisors (see below), whose sum is σ = 243330972466816. Its totient is φ = 243323934759900.

The previous prime is 243327453613333. The next prime is 243327453613421. The reversal of 243327453613357 is 753316354723342.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 243327453613357 - 2¹⁹ = 243327453089069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243327453613757) 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, 1759323003 + ... + 1759461304.

It is an arithmetic number, because the mean of its divisors is an integer number (60832743116704).

Almost surely, 2^{243327453613357} is an apocalyptic number.

It is an amenable number.

243327453613357 is a deficient number, since it is larger than the sum of its proper divisors (3518853459).

243327453613357 is an equidigital number, since it uses as much as digits as its factorization.

243327453613357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518853458.

The product of its digits is 114307200, while the sum is 58.

The spelling of 243327453613357 in words is "two hundred forty-three trillion, three hundred twenty-seven billion, four hundred fifty-three million, six hundred thirteen thousand, three hundred fifty-seven".