243513413253023 has 4 divisors (see below), whose sum is σ = 243513469706040. Its totient is φ = 243513356800008.

The previous prime is 243513413252971. The next prime is 243513413253053. The reversal of 243513413253023 is 320352314315342.

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 243513413253023 - 2⁶ = 243513413252959 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 (243513413253053) 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, 21167765 + ... + 30579422.

It is an arithmetic number, because the mean of its divisors is an integer number (60878367426510).

Almost surely, 2^{243513413253023} is an apocalyptic number.

243513413253023 is a deficient number, since it is larger than the sum of its proper divisors (56453017).

243513413253023 is an equidigital number, since it uses as much as digits as its factorization.

243513413253023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56453016.

The product of its (nonzero) digits is 777600, while the sum is 41.

Adding to 243513413253023 its reverse (320352314315342), we get a palindrome (563865727568365).

The spelling of 243513413253023 in words is "two hundred forty-three trillion, five hundred thirteen billion, four hundred thirteen million, two hundred fifty-three thousand, twenty-three".