423225445 has 4 divisors (see below), whose sum is σ = 507870540. Its totient is φ = 338580352.

The previous prime is 423225443. The next prime is 423225529. The reversal of 423225445 is 544522324.

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 192155044 + 231070401 = 13862^2 + 15201^2 .

It is a cyclic number.

It is not a de Polignac number, because 423225445 - 2¹ = 423225443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423225443) 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, 42322540 + ... + 42322549.

It is an arithmetic number, because the mean of its divisors is an integer number (126967635).

Almost surely, 2^423225445 is an apocalyptic number.

It is an amenable number.

423225445 is a deficient number, since it is larger than the sum of its proper divisors (84645095).

423225445 is an equidigital number, since it uses as much as digits as its factorization.

423225445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84645094.

The product of its digits is 38400, while the sum is 31.

The square root of 423225445 is about 20572.4438266337. The cubic root of 423225445 is about 750.7994113230.

Adding to 423225445 its reverse (544522324), we get a palindrome (967747769).

The spelling of 423225445 in words is "four hundred twenty-three million, two hundred twenty-five thousand, four hundred forty-five".