423235345 has 16 divisors (see below), whose sum is σ = 547399440. Its totient is φ = 312286464.

The previous prime is 423235339. The next prime is 423235363. The reversal of 423235345 is 543532324.

It can be written as a sum of positive squares in 8 ways, for example, as 101284096 + 321951249 = 10064^2 + 17943^2 .

It is a cyclic number.

It is not a de Polignac number, because 423235345 - 2⁷ = 423235217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120271 + ... + 123739.

It is an arithmetic number, because the mean of its divisors is an integer number (34212465).

Almost surely, 2^423235345 is an apocalyptic number.

It is an amenable number.

423235345 is a deficient number, since it is larger than the sum of its proper divisors (124164095).

423235345 is a wasteful number, since it uses less digits than its factorization.

423235345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364.

The product of its digits is 43200, while the sum is 31.

The square root of 423235345 is about 20572.6844383517. The cubic root of 423235345 is about 750.8052654577.

Adding to 423235345 its reverse (543532324), we get a palindrome (966767669).

The spelling of 423235345 in words is "four hundred twenty-three million, two hundred thirty-five thousand, three hundred forty-five".