417023643 has 4 divisors (see below), whose sum is σ = 556031528. Its totient is φ = 278015760.

The previous prime is 417023597. The next prime is 417023653. The reversal of 417023643 is 346320714.

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

It is not a de Polignac number, because 417023643 - 2¹⁴ = 417007259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 417023643.

It is not an unprimeable number, because it can be changed into a prime (417023653) 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, 69503938 + ... + 69503943.

It is an arithmetic number, because the mean of its divisors is an integer number (139007882).

Almost surely, 2^417023643 is an apocalyptic number.

417023643 is a deficient number, since it is larger than the sum of its proper divisors (139007885).

417023643 is a wasteful number, since it uses less digits than its factorization.

417023643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139007884.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 417023643 is about 20421.1567498024. The cubic root of 417023643 is about 747.1140309318.

The spelling of 417023643 in words is "four hundred seventeen million, twenty-three thousand, six hundred forty-three".