406020223 has 12 divisors (see below), whose sum is σ = 472638072. Its totient is φ = 347775120.

The previous prime is 406020217. The next prime is 406020239. The reversal of 406020223 is 322020604.

It is not a de Polignac number, because 406020223 - 2¹⁷ = 405889151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406020223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406020023) 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, 131113 + ... + 134173.

It is an arithmetic number, because the mean of its divisors is an integer number (39386506).

Almost surely, 2^406020223 is an apocalyptic number.

406020223 is a deficient number, since it is larger than the sum of its proper divisors (66617849).

406020223 is a wasteful number, since it uses less digits than its factorization.

406020223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 406020223 is about 20149.9434986801. The cubic root of 406020223 is about 740.4843572377.

Adding to 406020223 its reverse (322020604), we get a palindrome (728040827).

It can be divided in two parts, 4060202 and 23, that added together give a square (4060225 = 2015²).

The spelling of 406020223 in words is "four hundred six million, twenty thousand, two hundred twenty-three".