420526223 has 16 divisors (see below), whose sum is σ = 462520800. Its totient is φ = 379997184.

The previous prime is 420526193. The next prime is 420526241. The reversal of 420526223 is 322625024.

It is a cyclic number.

It is not a de Polignac number, because 420526223 - 2¹⁴ = 420509839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420526192 and 420526201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420523223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120203 + ... + 123651.

It is an arithmetic number, because the mean of its divisors is an integer number (28907550).

Almost surely, 2^420526223 is an apocalyptic number.

420526223 is a deficient number, since it is larger than the sum of its proper divisors (41994577).

420526223 is a wasteful number, since it uses less digits than its factorization.

420526223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 420526223 is about 20506.7360396529. The cubic root of 420526223 is about 749.1998714367.

The spelling of 420526223 in words is "four hundred twenty million, five hundred twenty-six thousand, two hundred twenty-three".