220234122423 has 72 divisors (see below), whose sum is σ = 394131580752. Its totient is φ = 122446525824.

The previous prime is 220234122403. The next prime is 220234122439. The reversal of 220234122423 is 324221432022.

220234122423 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 3 + 412 + 242 + 3 = 666.

It is not a de Polignac number, because 220234122423 - 2⁸ = 220234122167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220234122403) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 190611 + ... + 690507.

Almost surely, 2^220234122423 is an apocalyptic number.

220234122423 is a deficient number, since it is larger than the sum of its proper divisors (173897458329).

220234122423 is an equidigital number, since it uses as much as digits as its factorization.

220234122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499963 (or 499944 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 220234122423 its reverse (324221432022), we get a palindrome (544455554445).

The spelling of 220234122423 in words is "two hundred twenty billion, two hundred thirty-four million, one hundred twenty-two thousand, four hundred twenty-three".