220131122323 has 16 divisors (see below), whose sum is σ = 252387576000. Its totient is φ = 188077888512.

The previous prime is 220131122297. The next prime is 220131122381. The reversal of 220131122323 is 323221131022.

It is a cyclic number.

It is not a de Polignac number, because 220131122323 - 2²⁹ = 219594251411 is a prime.

It is a super-3 number, since 3×220131122323³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 220131122294 and 220131122303.

It is not an unprimeable number, because it can be changed into a prime (220131122383) 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, 2844283 + ... + 2920651.

It is an arithmetic number, because the mean of its divisors is an integer number (15774223500).

Almost surely, 2^220131122323 is an apocalyptic number.

220131122323 is a deficient number, since it is larger than the sum of its proper divisors (32256453677).

220131122323 is an equidigital number, since it uses as much as digits as its factorization.

220131122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77694.

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

Adding to 220131122323 its reverse (323221131022), we get a palindrome (543352253345).

The spelling of 220131122323 in words is "two hundred twenty billion, one hundred thirty-one million, one hundred twenty-two thousand, three hundred twenty-three".