220013003123 has 4 divisors (see below), whose sum is σ = 223619773728. Its totient is φ = 216406232520.

The previous prime is 220013003051. The next prime is 220013003129. The reversal of 220013003123 is 321300310022.

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 220013003123 - 2¹⁸ = 220012740979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220013003129) 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, 1803385211 + ... + 1803385332.

It is an arithmetic number, because the mean of its divisors is an integer number (55904943432).

Almost surely, 2^220013003123 is an apocalyptic number.

220013003123 is a deficient number, since it is larger than the sum of its proper divisors (3606770605).

220013003123 is an equidigital number, since it uses as much as digits as its factorization.

220013003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606770604.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 220013003123 its reverse (321300310022), we get a palindrome (541313313145).

The spelling of 220013003123 in words is "two hundred twenty billion, thirteen million, three thousand, one hundred twenty-three".