13431550242323 has 4 divisors (see below), whose sum is σ = 13431560712000. Its totient is φ = 13431539772648.

The previous prime is 13431550242269. The next prime is 13431550242377. The reversal of 13431550242323 is 32324205513431.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (13431550242269) and next prime (13431550242377).

It is a cyclic number.

It is not a de Polignac number, because 13431550242323 - 2¹⁸ = 13431549980179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13431550242023) 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, 2989448 + ... + 5983301.

It is an arithmetic number, because the mean of its divisors is an integer number (3357890178000).

Almost surely, 2^{13431550242323} is an apocalyptic number.

13431550242323 is a deficient number, since it is larger than the sum of its proper divisors (10469677).

13431550242323 is an equidigital number, since it uses as much as digits as its factorization.

13431550242323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10469676.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 13431550242323 its reverse (32324205513431), we get a palindrome (45755755755754).

The spelling of 13431550242323 in words is "thirteen trillion, four hundred thirty-one billion, five hundred fifty million, two hundred forty-two thousand, three hundred twenty-three".