688046323 has 4 divisors (see below), whose sum is σ = 688586400. Its totient is φ = 687506248.

The previous prime is 688046299. The next prime is 688046329. The reversal of 688046323 is 323640886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323640886 = 2 ⋅161820443.

It is a cyclic number.

It is not a de Polignac number, because 688046323 - 2⁵ = 688046291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (688046329) 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, 268123 + ... + 270676.

It is an arithmetic number, because the mean of its divisors is an integer number (172146600).

Almost surely, 2^688046323 is an apocalyptic number.

688046323 is a deficient number, since it is larger than the sum of its proper divisors (540077).

688046323 is a wasteful number, since it uses less digits than its factorization.

688046323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540076.

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

The square root of 688046323 is about 26230.6371062542. The cubic root of 688046323 is about 882.8208050236.

The spelling of 688046323 in words is "six hundred eighty-eight million, forty-six thousand, three hundred twenty-three".