623000422 has 16 divisors (see below), whose sum is σ = 1020196944. Its totient is φ = 282976000.

The previous prime is 623000419. The next prime is 623000447. The reversal of 623000422 is 224000326.

It is a self number, because there is not a number n which added to its sum of digits gives 623000422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23022 + ... + 42142.

It is an arithmetic number, because the mean of its divisors is an integer number (63762309).

Almost surely, 2^623000422 is an apocalyptic number.

623000422 is a deficient number, since it is larger than the sum of its proper divisors (397196522).

623000422 is a wasteful number, since it uses less digits than its factorization.

623000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20615.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 623000422 is about 24959.9764022324. The cubic root of 623000422 is about 854.0752044882.

Adding to 623000422 its reverse (224000326), we get a palindrome (847000748).

The spelling of 623000422 in words is "six hundred twenty-three million, four hundred twenty-two", and thus it is an aban number.