608638423 has 4 divisors (see below), whose sum is σ = 614664648. Its totient is φ = 602612200.

The previous prime is 608638421. The next prime is 608638427. The reversal of 608638423 is 324836806.

608638423 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 is a cyclic number.

It is not a de Polignac number, because 608638423 - 2¹ = 608638421 is a prime.

It is a super-3 number, since 3×608638423³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (608638421) 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, 3012961 + ... + 3013162.

It is an arithmetic number, because the mean of its divisors is an integer number (153666162).

Almost surely, 2^608638423 is an apocalyptic number.

608638423 is a deficient number, since it is larger than the sum of its proper divisors (6026225).

608638423 is a wasteful number, since it uses less digits than its factorization.

608638423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026224.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 608638423 is about 24670.5983510737. The cubic root of 608638423 is about 847.4611314597.

The spelling of 608638423 in words is "six hundred eight million, six hundred thirty-eight thousand, four hundred twenty-three".