623798873 has 4 divisors (see below), whose sum is σ = 640658340. Its totient is φ = 606939408.

The previous prime is 623798869. The next prime is 623798891. The reversal of 623798873 is 378897326.

It is a happy number.

623798873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 326994889 + 296803984 = 18083^2 + 17228^2 .

It is a cyclic number.

It is not a de Polignac number, because 623798873 - 2² = 623798869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623798863) 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, 8429678 + ... + 8429751.

It is an arithmetic number, because the mean of its divisors is an integer number (160164585).

Almost surely, 2^623798873 is an apocalyptic number.

It is an amenable number.

623798873 is a deficient number, since it is larger than the sum of its proper divisors (16859467).

623798873 is a wasteful number, since it uses less digits than its factorization.

623798873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16859466.

The product of its digits is 3048192, while the sum is 53.

The square root of 623798873 is about 24975.9659072477. The cubic root of 623798873 is about 854.4399158944.

The spelling of 623798873 in words is "six hundred twenty-three million, seven hundred ninety-eight thousand, eight hundred seventy-three".