423223013 has 8 divisors (see below), whose sum is σ = 438507000. Its totient is φ = 407985088.

The previous prime is 423223001. The next prime is 423223049. The reversal of 423223013 is 310322324.

It can be written as a sum of positive squares in 4 ways, for example, as 2439844 + 420783169 = 1562^2 + 20513^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423223013 - 2⁴ = 423222997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423223093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7763 + ... + 30111.

It is an arithmetic number, because the mean of its divisors is an integer number (54813375).

Almost surely, 2^423223013 is an apocalyptic number.

It is an amenable number.

423223013 is a deficient number, since it is larger than the sum of its proper divisors (15283987).

423223013 is a wasteful number, since it uses less digits than its factorization.

423223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23031.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 423223013 is about 20572.3847183548. The cubic root of 423223013 is about 750.7979732024.

Adding to 423223013 its reverse (310322324), we get a palindrome (733545337).

The spelling of 423223013 in words is "four hundred twenty-three million, two hundred twenty-three thousand, thirteen".