406254223 has 2 divisors, whose sum is σ = 406254224. Its totient is φ = 406254222.

The previous prime is 406254217. The next prime is 406254307. The reversal of 406254223 is 322452604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406254223 - 2⁹ = 406253711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406254191 and 406254200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406257223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203127111 + 203127112.

It is an arithmetic number, because the mean of its divisors is an integer number (203127112).

Almost surely, 2^406254223 is an apocalyptic number.

406254223 is a deficient number, since it is larger than the sum of its proper divisors (1).

406254223 is an equidigital number, since it uses as much as digits as its factorization.

406254223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 406254223 is about 20155.7491302110. The cubic root of 406254223 is about 740.6265833742.

It can be divided in two parts, 4062 and 54223, that added together give a palindrome (58285).

The spelling of 406254223 in words is "four hundred six million, two hundred fifty-four thousand, two hundred twenty-three".