13321023203023 has 4 divisors (see below), whose sum is σ = 13508643248208. Its totient is φ = 13133403157840.

The previous prime is 13321023202913. The next prime is 13321023203027. The reversal of 13321023203023 is 32030232012331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13321023203023 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 (13321023203027) 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, 93810022486 + ... + 93810022627.

It is an arithmetic number, because the mean of its divisors is an integer number (3377160812052).

Almost surely, 2^{13321023203023} is an apocalyptic number.

13321023203023 is a deficient number, since it is larger than the sum of its proper divisors (187620045185).

13321023203023 is an equidigital number, since it uses as much as digits as its factorization.

13321023203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187620045184.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 13321023203023 its reverse (32030232012331), we get a palindrome (45351255215354).

The spelling of 13321023203023 in words is "thirteen trillion, three hundred twenty-one billion, twenty-three million, two hundred three thousand, twenty-three".