243310240023 has 4 divisors (see below), whose sum is σ = 324413653368. Its totient is φ = 162206826680.

The previous prime is 243310239983. The next prime is 243310240031. The reversal of 243310240023 is 320042013342.

243310240023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 243310240023 - 2¹⁰ = 243310238999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243310239975 and 243310240002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243310242023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40551706668 + ... + 40551706673.

It is an arithmetic number, because the mean of its divisors is an integer number (81103413342).

Almost surely, 2^243310240023 is an apocalyptic number.

243310240023 is a deficient number, since it is larger than the sum of its proper divisors (81103413345).

243310240023 is an equidigital number, since it uses as much as digits as its factorization.

243310240023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81103413344.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 243310240023 its reverse (320042013342), we get a palindrome (563352253365).

The spelling of 243310240023 in words is "two hundred forty-three billion, three hundred ten million, two hundred forty thousand, twenty-three".