623606323 has 4 divisors (see below), whose sum is σ = 643722688. Its totient is φ = 603489960.

The previous prime is 623606311. The next prime is 623606377. The reversal of 623606323 is 323606326.

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 623606323 - 2⁹ = 623605811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 20116333 = 623606323 / (6 + 2 + 3 + 6 + 0 + 6 + 3 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (623606303) 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, 10058136 + ... + 10058197.

It is an arithmetic number, because the mean of its divisors is an integer number (160930672).

Almost surely, 2^623606323 is an apocalyptic number.

623606323 is a deficient number, since it is larger than the sum of its proper divisors (20116365).

623606323 is a wasteful number, since it uses less digits than its factorization.

623606323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20116364.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 623606323 is about 24972.1109039664. The cubic root of 623606323 is about 854.3519926103.

The spelling of 623606323 in words is "six hundred twenty-three million, six hundred six thousand, three hundred twenty-three".