220124423 has 4 divisors (see below), whose sum is σ = 224277768. Its totient is φ = 215971080.

The previous prime is 220124407. The next prime is 220124473. The reversal of 220124423 is 324421022.

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 220124423 - 2⁴ = 220124407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220124395 and 220124404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220124473) 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, 2076593 + ... + 2076698.

It is an arithmetic number, because the mean of its divisors is an integer number (56069442).

Almost surely, 2^220124423 is an apocalyptic number.

220124423 is a deficient number, since it is larger than the sum of its proper divisors (4153345).

220124423 is an equidigital number, since it uses as much as digits as its factorization.

220124423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153344.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 220124423 is about 14836.5906798024. The cubic root of 220124423 is about 603.7948580050.

Adding to 220124423 its reverse (324421022), we get a palindrome (544545445).

The spelling of 220124423 in words is "two hundred twenty million, one hundred twenty-four thousand, four hundred twenty-three".