13120545023223 has 64 divisors (see below), whose sum is σ = 19585027418112. Its totient is φ = 7744941895680.

The previous prime is 13120545023219. The next prime is 13120545023251. The reversal of 13120545023223 is 32232054502131.

It is not a de Polignac number, because 13120545023223 - 2² = 13120545023219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120545023273) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 720227211 + ... + 720245427.

It is an arithmetic number, because the mean of its divisors is an integer number (306016053408).

Almost surely, 2^{13120545023223} is an apocalyptic number.

13120545023223 is a deficient number, since it is larger than the sum of its proper divisors (6464482394889).

13120545023223 is a wasteful number, since it uses less digits than its factorization.

13120545023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20504.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 13120545023223 its reverse (32232054502131), we get a palindrome (45352599525354).

The spelling of 13120545023223 in words is "thirteen trillion, one hundred twenty billion, five hundred forty-five million, twenty-three thousand, two hundred twenty-three".