13242321023 has 4 divisors (see below), whose sum is σ = 13248590208. Its totient is φ = 13236051840.

The previous prime is 13242321007. The next prime is 13242321041. The reversal of 13242321023 is 32012324231.

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 13242321023 - 2⁴ = 13242321007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13242321023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13242323023) 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, 3131423 + ... + 3135648.

It is an arithmetic number, because the mean of its divisors is an integer number (3312147552).

Almost surely, 2^13242321023 is an apocalyptic number.

13242321023 is a deficient number, since it is larger than the sum of its proper divisors (6269185).

13242321023 is an equidigital number, since it uses as much as digits as its factorization.

13242321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269184.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13242321023 its reverse (32012324231), we get a palindrome (45254645254).

The spelling of 13242321023 in words is "thirteen billion, two hundred forty-two million, three hundred twenty-one thousand, twenty-three".