220042323 has 12 divisors (see below), whose sum is σ = 317983848. Its totient is φ = 146628000.

The previous prime is 220042321. The next prime is 220042349. The reversal of 220042323 is 323240022.

220042323 is a `hidden beast` number, since 220 + 0 + 423 + 23 = 666.

220042323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220042323 - 2¹ = 220042321 is a prime.

It is a super-2 number, since 2×220042323² = 96837247822472658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220042296 and 220042305.

It is not an unprimeable number, because it can be changed into a prime (220042321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22936 + ... + 31082.

It is an arithmetic number, because the mean of its divisors is an integer number (26498654).

Almost surely, 2^220042323 is an apocalyptic number.

220042323 is a deficient number, since it is larger than the sum of its proper divisors (97941525).

220042323 is a wasteful number, since it uses less digits than its factorization.

220042323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154 (or 11151 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220042323 is about 14833.8236136203. The cubic root of 220042323 is about 603.7197827038.

Adding to 220042323 its reverse (323240022), we get a palindrome (543282345).

The spelling of 220042323 in words is "two hundred twenty million, forty-two thousand, three hundred twenty-three".