688102023 has 8 divisors (see below), whose sum is σ = 1048536448. Its totient is φ = 393201144.

The previous prime is 688101989. The next prime is 688102027. The reversal of 688102023 is 320201886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 688102023 - 2⁸ = 688101767 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 (688102027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16383361 + ... + 16383402.

It is an arithmetic number, because the mean of its divisors is an integer number (131067056).

Almost surely, 2^688102023 is an apocalyptic number.

688102023 is a deficient number, since it is larger than the sum of its proper divisors (360434425).

688102023 is a wasteful number, since it uses less digits than its factorization.

688102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32766773.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 688102023 is about 26231.6988203204. The cubic root of 688102023 is about 882.8446269623.

The spelling of 688102023 in words is "six hundred eighty-eight million, one hundred two thousand, twenty-three".