20112330111223 has 16 divisors (see below), whose sum is σ = 23154129403200. Its totient is φ = 17112692180736.

The previous prime is 20112330111217. The next prime is 20112330111281. The reversal of 20112330111223 is 32211103321102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112330111223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112330111194 and 20112330111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112330115223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27399865 + ... + 28124317.

It is an arithmetic number, because the mean of its divisors is an integer number (1447133087700).

Almost surely, 2^{20112330111223} is an apocalyptic number.

20112330111223 is a deficient number, since it is larger than the sum of its proper divisors (3041799291977).

20112330111223 is a wasteful number, since it uses less digits than its factorization.

20112330111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753546.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20112330111223 its reverse (32211103321102), we get a palindrome (52323433432325).

The spelling of 20112330111223 in words is "twenty trillion, one hundred twelve billion, three hundred thirty million, one hundred eleven thousand, two hundred twenty-three".