2013223123120 has 80 divisors (see below), whose sum is σ = 5244273193248. Its totient is φ = 712295147520.

The previous prime is 2013223123073. The next prime is 2013223123127. The reversal of 2013223123120 is 213213223102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2013223123091 and 2013223123100.

It is not an unprimeable number, because it can be changed into a prime (2013223123127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30883029 + ... + 30948148.

Almost surely, 2^{2013223123120} is an apocalyptic number.

2013223123120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2013223123120 is an abundant number, since it is smaller than the sum of its proper divisors (3231050070128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013223123120 is a wasteful number, since it uses less digits than its factorization.

2013223123120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61831238 (or 61831232 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2013223123120 its reverse (213213223102), we get a palindrome (2226436346222).

The spelling of 2013223123120 in words is "two trillion, thirteen billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred twenty".