423351645 has 16 divisors (see below), whose sum is σ = 677678400. Its totient is φ = 225682304.

The previous prime is 423351637. The next prime is 423351653. The reversal of 423351645 is 546153324.

It is an interprime number because it is at equal distance from previous prime (423351637) and next prime (423351653).

It is a cyclic number.

It is not a de Polignac number, because 423351645 - 2³ = 423351637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35257 + ... + 45713.

It is an arithmetic number, because the mean of its divisors is an integer number (42354900).

Almost surely, 2^423351645 is an apocalyptic number.

It is an amenable number.

423351645 is a deficient number, since it is larger than the sum of its proper divisors (254326755).

423351645 is a wasteful number, since it uses less digits than its factorization.

423351645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13164.

The product of its digits is 43200, while the sum is 33.

The square root of 423351645 is about 20575.5108077540. The cubic root of 423351645 is about 750.8740299221.

The spelling of 423351645 in words is "four hundred twenty-three million, three hundred fifty-one thousand, six hundred forty-five".