420466623 has 4 divisors (see below), whose sum is σ = 560622168. Its totient is φ = 280311080.

The previous prime is 420466601. The next prime is 420466633. The reversal of 420466623 is 326664024.

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 420466623 - 2⁸ = 420466367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420466633) 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, 70077768 + ... + 70077773.

It is an arithmetic number, because the mean of its divisors is an integer number (140155542).

Almost surely, 2^420466623 is an apocalyptic number.

420466623 is a deficient number, since it is larger than the sum of its proper divisors (140155545).

420466623 is a wasteful number, since it uses less digits than its factorization.

420466623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140155544.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 420466623 is about 20505.2828071207. The cubic root of 420466623 is about 749.1644757669.

The spelling of 420466623 in words is "four hundred twenty million, four hundred sixty-six thousand, six hundred twenty-three".