420555011104223 has 2 divisors, whose sum is σ = 420555011104224. Its totient is φ = 420555011104222.

The previous prime is 420555011104199. The next prime is 420555011104253. The reversal of 420555011104223 is 322401110555024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420555011104223 - 2²⁴ = 420554994327007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420555011104253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210277505552111 + 210277505552112.

It is an arithmetic number, because the mean of its divisors is an integer number (210277505552112).

Almost surely, 2^{420555011104223} is an apocalyptic number.

420555011104223 is a deficient number, since it is larger than the sum of its proper divisors (1).

420555011104223 is an equidigital number, since it uses as much as digits as its factorization.

420555011104223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 420555011104223 its reverse (322401110555024), we get a palindrome (742956121659247).

The spelling of 420555011104223 in words is "four hundred twenty trillion, five hundred fifty-five billion, eleven million, one hundred four thousand, two hundred twenty-three".