423322045 has 4 divisors (see below), whose sum is σ = 507986460. Its totient is φ = 338657632.

The previous prime is 423322027. The next prime is 423322079. The reversal of 423322045 is 540223324.

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 251476164 + 171845881 = 15858^2 + 13109^2 .

It is a cyclic number.

It is not a de Polignac number, because 423322045 - 2²¹ = 421224893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42332200 + ... + 42332209.

It is an arithmetic number, because the mean of its divisors is an integer number (126996615).

Almost surely, 2^423322045 is an apocalyptic number.

It is an amenable number.

423322045 is a deficient number, since it is larger than the sum of its proper divisors (84664415).

423322045 is an equidigital number, since it uses as much as digits as its factorization.

423322045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84664414.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 423322045 is about 20574.7914934757. The cubic root of 423322045 is about 750.8565295852.

Adding to 423322045 its reverse (540223324), we get a palindrome (963545369).

The spelling of 423322045 in words is "four hundred twenty-three million, three hundred twenty-two thousand, forty-five".