220044112423 has 4 divisors (see below), whose sum is σ = 232987883760. Its totient is φ = 207100341088.

The previous prime is 220044112399. The next prime is 220044112441. The reversal of 220044112423 is 324211440022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324211440022 = 2 ⋅162105720011.

It is a cyclic number.

It is not a de Polignac number, because 220044112423 - 2¹⁷ = 220043981351 is a prime.

It is a super-2 number, since 2×220044112423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220044112523) 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, 6471885643 + ... + 6471885676.

It is an arithmetic number, because the mean of its divisors is an integer number (58246970940).

Almost surely, 2^220044112423 is an apocalyptic number.

220044112423 is a deficient number, since it is larger than the sum of its proper divisors (12943771337).

220044112423 is a wasteful number, since it uses less digits than its factorization.

220044112423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12943771336.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 220044112423 its reverse (324211440022), we get a palindrome (544255552445).

The spelling of 220044112423 in words is "two hundred twenty billion, forty-four million, one hundred twelve thousand, four hundred twenty-three".