402204043223 has 2 divisors, whose sum is σ = 402204043224. Its totient is φ = 402204043222.

The previous prime is 402204043187. The next prime is 402204043253. The reversal of 402204043223 is 322340402204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402204043223 - 2²⁰ = 402202994647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402204043192 and 402204043201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402204043253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201102021611 + 201102021612.

It is an arithmetic number, because the mean of its divisors is an integer number (201102021612).

Almost surely, 2^402204043223 is an apocalyptic number.

402204043223 is a deficient number, since it is larger than the sum of its proper divisors (1).

402204043223 is an equidigital number, since it uses as much as digits as its factorization.

402204043223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 402204043223 its reverse (322340402204), we get a palindrome (724544445427).

The spelling of 402204043223 in words is "four hundred two billion, two hundred four million, forty-three thousand, two hundred twenty-three".