423602045 has 4 divisors (see below), whose sum is σ = 508322460. Its totient is φ = 338881632.

The previous prime is 423602033. The next prime is 423602071. The reversal of 423602045 is 540206324.

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

It can be written as a sum of positive squares in 2 ways, for example, as 249071524 + 174530521 = 15782^2 + 13211^2 .

It is a cyclic number.

It is not a de Polignac number, because 423602045 - 2¹² = 423597949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42360200 + ... + 42360209.

It is an arithmetic number, because the mean of its divisors is an integer number (127080615).

Almost surely, 2^423602045 is an apocalyptic number.

It is an amenable number.

423602045 is a deficient number, since it is larger than the sum of its proper divisors (84720415).

423602045 is an equidigital number, since it uses as much as digits as its factorization.

423602045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84720414.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 423602045 is about 20581.5948118701. The cubic root of 423602045 is about 751.0220406852.

Adding to 423602045 its reverse (540206324), we get a palindrome (963808369).

The spelling of 423602045 in words is "four hundred twenty-three million, six hundred two thousand, forty-five".