623275009 has 8 divisors (see below), whose sum is σ = 712514880. Its totient is φ = 534085296.

The previous prime is 623275007. The next prime is 623275013. The reversal of 623275009 is 900572326.

It is a happy number.

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 623275009 - 2¹ = 623275007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623275007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19587 + ... + 40375.

It is an arithmetic number, because the mean of its divisors is an integer number (89064360).

Almost surely, 2^623275009 is an apocalyptic number.

It is an amenable number.

623275009 is a deficient number, since it is larger than the sum of its proper divisors (89239871).

623275009 is a wasteful number, since it uses less digits than its factorization.

623275009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25079.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 623275009 is about 24965.4763423412. The cubic root of 623275009 is about 854.2006637409.

The spelling of 623275009 in words is "six hundred twenty-three million, two hundred seventy-five thousand, nine".