623601673 has 8 divisors (see below), whose sum is σ = 645428480. Its totient is φ = 601881840.

The previous prime is 623601661. The next prime is 623601707. The reversal of 623601673 is 376106326.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623601673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623601613) 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, 14790 + ... + 38287.

It is an arithmetic number, because the mean of its divisors is an integer number (80678560).

Almost surely, 2^623601673 is an apocalyptic number.

It is an amenable number.

623601673 is a deficient number, since it is larger than the sum of its proper divisors (21826807).

623601673 is a wasteful number, since it uses less digits than its factorization.

623601673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53487.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 623601673 is about 24972.0177999296. The cubic root of 623601673 is about 854.3498690768.

Adding to 623601673 its reverse (376106326), we get a palindrome (999707999).

The spelling of 623601673 in words is "six hundred twenty-three million, six hundred one thousand, six hundred seventy-three".