420152223 has 32 divisors (see below), whose sum is σ = 584543232. Its totient is φ = 268272000.

The previous prime is 420152177. The next prime is 420152233. The reversal of 420152223 is 322251024.

It is not a de Polignac number, because 420152223 - 2²⁵ = 386597791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420152223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420152233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2321193 + ... + 2321373.

It is an arithmetic number, because the mean of its divisors is an integer number (18266976).

Almost surely, 2^420152223 is an apocalyptic number.

420152223 is a deficient number, since it is larger than the sum of its proper divisors (164391009).

420152223 is a wasteful number, since it uses less digits than its factorization.

420152223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 420152223 is about 20497.6150563913. The cubic root of 420152223 is about 748.9777022874.

The spelling of 420152223 in words is "four hundred twenty million, one hundred fifty-two thousand, two hundred twenty-three".