420420004011223 has 4 divisors (see below), whose sum is σ = 420664292219808. Its totient is φ = 420175715802640.

The previous prime is 420420004011193. The next prime is 420420004011257. The reversal of 420420004011223 is 322110400024024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420420004011223 - 2⁵ = 420420004011191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420420004011823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122144101711 + ... + 122144105152.

It is an arithmetic number, because the mean of its divisors is an integer number (105166073054952).

Almost surely, 2^{420420004011223} is an apocalyptic number.

420420004011223 is a deficient number, since it is larger than the sum of its proper divisors (244288208585).

420420004011223 is a wasteful number, since it uses less digits than its factorization.

420420004011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244288208584.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 420420004011223 its reverse (322110400024024), we get a palindrome (742530404035247).

The spelling of 420420004011223 in words is "four hundred twenty trillion, four hundred twenty billion, four million, eleven thousand, two hundred twenty-three".