623996573 has 4 divisors (see below), whose sum is σ = 631514688. Its totient is φ = 616478460.

The previous prime is 623996563. The next prime is 623996579. The reversal of 623996573 is 375699326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 623996573 - 2¹² = 623992477 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 (623996579) 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, 3758933 + ... + 3759098.

It is an arithmetic number, because the mean of its divisors is an integer number (157878672).

Almost surely, 2^623996573 is an apocalyptic number.

It is an amenable number.

623996573 is a deficient number, since it is larger than the sum of its proper divisors (7518115).

623996573 is an equidigital number, since it uses as much as digits as its factorization.

623996573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518114.

The product of its digits is 1837080, while the sum is 50.

The square root of 623996573 is about 24979.9233986015. The cubic root of 623996573 is about 854.5301719776.

The spelling of 623996573 in words is "six hundred twenty-three million, nine hundred ninety-six thousand, five hundred seventy-three".