243323142311123 has 8 divisors (see below), whose sum is σ = 278084162364000. Its totient is φ = 208562265046080.

The previous prime is 243323142311077. The next prime is 243323142311153. The reversal of 243323142311123 is 321113241323342.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243323142311123 - 2⁸ = 243323142310867 is a prime.

It is a super-2 number, since 2×243323142311123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243323142311153) 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, 32020088 + ... + 38883573.

It is an arithmetic number, because the mean of its divisors is an integer number (34760520295500).

Almost surely, 2^{243323142311123} is an apocalyptic number.

243323142311123 is a deficient number, since it is larger than the sum of its proper divisors (34761020052877).

243323142311123 is an equidigital number, since it uses as much as digits as its factorization.

243323142311123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71393917.

The product of its digits is 62208, while the sum is 35.

Adding to 243323142311123 its reverse (321113241323342), we get a palindrome (564436383634465).

The spelling of 243323142311123 in words is "two hundred forty-three trillion, three hundred twenty-three billion, one hundred forty-two million, three hundred eleven thousand, one hundred twenty-three".