423445353 has 16 divisors (see below), whose sum is σ = 583231296. Its totient is φ = 273067200.

The previous prime is 423445339. The next prime is 423445369. The reversal of 423445353 is 353544324.

It is a happy number.

It is not a de Polignac number, because 423445353 - 2⁸ = 423445097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423445313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178 + ... + 30228.

It is an arithmetic number, because the mean of its divisors is an integer number (36451956).

Almost surely, 2^423445353 is an apocalyptic number.

It is an amenable number.

423445353 is a deficient number, since it is larger than the sum of its proper divisors (159785943).

423445353 is a wasteful number, since it uses less digits than its factorization.

423445353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22264.

The product of its digits is 86400, while the sum is 33.

The square root of 423445353 is about 20577.7878548691. The cubic root of 423445353 is about 750.9294272996.

Adding to 423445353 its reverse (353544324), we get a palindrome (776989677).

The spelling of 423445353 in words is "four hundred twenty-three million, four hundred forty-five thousand, three hundred fifty-three".