689052623 has 8 divisors (see below), whose sum is σ = 789371520. Its totient is φ = 589204440.

The previous prime is 689052569. The next prime is 689052647. The reversal of 689052623 is 326250986.

689052623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 689052623 - 2⁸ = 689052367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689052223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114533 + ... + 120398.

It is an arithmetic number, because the mean of its divisors is an integer number (98671440).

Almost surely, 2^689052623 is an apocalyptic number.

689052623 is a deficient number, since it is larger than the sum of its proper divisors (100318897).

689052623 is a wasteful number, since it uses less digits than its factorization.

689052623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235357.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 689052623 is about 26249.8118659925. The cubic root of 689052623 is about 883.2509843093.

The spelling of 689052623 in words is "six hundred eighty-nine million, fifty-two thousand, six hundred twenty-three".