420223023 has 48 divisors (see below), whose sum is σ = 688240800. Its totient is φ = 244823040.

The previous prime is 420223009. The next prime is 420223031. The reversal of 420223023 is 320322024.

420223023 is a `hidden beast` number, since 420 + 223 + 0 + 23 = 666.

It is not a de Polignac number, because 420223023 - 2⁴ = 420223007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420222987 and 420223005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420223003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325363 + ... + 326651.

It is an arithmetic number, because the mean of its divisors is an integer number (14338350).

Almost surely, 2^420223023 is an apocalyptic number.

420223023 is a deficient number, since it is larger than the sum of its proper divisors (268017777).

420223023 is a wasteful number, since it uses less digits than its factorization.

420223023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 420223023 is about 20499.3420138306. The cubic root of 420223023 is about 749.0197700906.

Adding to 420223023 its reverse (320322024), we get a palindrome (740545047).

Subtracting from 420223023 its reverse (320322024), we obtain a palindrome (99900999).

It can be divided in two parts, 4202 and 23023, that added together give a square (27225 = 165²).

The spelling of 420223023 in words is "four hundred twenty million, two hundred twenty-three thousand, twenty-three".