470645623 has 4 divisors (see below), whose sum is σ = 537880720. Its totient is φ = 403410528.

The previous prime is 470645543. The next prime is 470645641. The reversal of 470645623 is 326546074.

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 470645623 - 2⁹ = 470645111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470645653) 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, 33617538 + ... + 33617551.

It is an arithmetic number, because the mean of its divisors is an integer number (134470180).

Almost surely, 2^470645623 is an apocalyptic number.

470645623 is a deficient number, since it is larger than the sum of its proper divisors (67235097).

470645623 is an equidigital number, since it uses as much as digits as its factorization.

470645623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67235096.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 470645623 is about 21694.3684628062. The cubic root of 470645623 is about 777.8538543627.

The spelling of 470645623 in words is "four hundred seventy million, six hundred forty-five thousand, six hundred twenty-three".