403404204223 has 2 divisors, whose sum is σ = 403404204224. Its totient is φ = 403404204222.

The previous prime is 403404204191. The next prime is 403404204277. The reversal of 403404204223 is 322402404304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 403404204223 - 2⁵ = 403404204191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403404204191 and 403404204200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403404204323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201702102111 + 201702102112.

It is an arithmetic number, because the mean of its divisors is an integer number (201702102112).

Almost surely, 2^403404204223 is an apocalyptic number.

403404204223 is a deficient number, since it is larger than the sum of its proper divisors (1).

403404204223 is an equidigital number, since it uses as much as digits as its factorization.

403404204223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 403404204223 its reverse (322402404304), we get a palindrome (725806608527).

The spelling of 403404204223 in words is "four hundred three billion, four hundred four million, two hundred four thousand, two hundred twenty-three".