623340589 has 16 divisors (see below), whose sum is σ = 651253680. Its totient is φ = 596160000.

The previous prime is 623340569. The next prime is 623340623. The reversal of 623340589 is 985043326.

623340589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4972900 + 618367689 = 2230^2 + 24867^2 .

It is a cyclic number.

It is not a de Polignac number, because 623340589 - 2⁹ = 623340077 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 (623340559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450679 + ... + 452059.

It is an arithmetic number, because the mean of its divisors is an integer number (40703355).

Almost surely, 2^623340589 is an apocalyptic number.

It is an amenable number.

623340589 is a deficient number, since it is larger than the sum of its proper divisors (27913091).

623340589 is a wasteful number, since it uses less digits than its factorization.

623340589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 623340589 is about 24966.7897215481. The cubic root of 623340589 is about 854.2306218996.

The spelling of 623340589 in words is "six hundred twenty-three million, three hundred forty thousand, five hundred eighty-nine".