4230423445 has 4 divisors (see below), whose sum is σ = 5076508140. Its totient is φ = 3384338752.

The previous prime is 4230423437. The next prime is 4230423451. The reversal of 4230423445 is 5443240324.

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 1957708516 + 2272714929 = 44246^2 + 47673^2 .

It is a cyclic number.

It is not a de Polignac number, because 4230423445 - 2³ = 4230423437 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, 423042340 + ... + 423042349.

It is an arithmetic number, because the mean of its divisors is an integer number (1269127035).

Almost surely, 2^4230423445 is an apocalyptic number.

It is an amenable number.

4230423445 is a deficient number, since it is larger than the sum of its proper divisors (846084695).

4230423445 is an equidigital number, since it uses as much as digits as its factorization.

4230423445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846084694.

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 4230423445 is about 65041.7054281328. The cubic root of 4230423445 is about 1617.3149961162.

Adding to 4230423445 its reverse (5443240324), we get a palindrome (9673663769).

The spelling of 4230423445 in words is "four billion, two hundred thirty million, four hundred twenty-three thousand, four hundred forty-five".