423565323 has 4 divisors (see below), whose sum is σ = 564753768. Its totient is φ = 282376880.

The previous prime is 423565321. The next prime is 423565349. The reversal of 423565323 is 323565324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423565323 - 2¹ = 423565321 is a prime.

It is a super-3 number, since 3×423565323³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (423565321) 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, 70594218 + ... + 70594223.

It is an arithmetic number, because the mean of its divisors is an integer number (141188442).

Almost surely, 2^423565323 is an apocalyptic number.

423565323 is a deficient number, since it is larger than the sum of its proper divisors (141188445).

423565323 is a wasteful number, since it uses less digits than its factorization.

423565323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141188444.

The product of its digits is 64800, while the sum is 33.

The square root of 423565323 is about 20580.7026847967. The cubic root of 423565323 is about 751.0003380607. Note that the first 3 decimals are identical.

Subtracting from 423565323 its reverse (323565324), we obtain a palindrome (99999999).

The spelling of 423565323 in words is "four hundred twenty-three million, five hundred sixty-five thousand, three hundred twenty-three".