680262623 has 4 divisors (see below), whose sum is σ = 696082728. Its totient is φ = 664442520.

The previous prime is 680262607. The next prime is 680262659. The reversal of 680262623 is 326262086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326262086 = 2 ⋅163131043.

It is a cyclic number.

It is not a de Polignac number, because 680262623 - 2⁴ = 680262607 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 (680262823) 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, 7909988 + ... + 7910073.

It is an arithmetic number, because the mean of its divisors is an integer number (174020682).

Almost surely, 2^680262623 is an apocalyptic number.

680262623 is a deficient number, since it is larger than the sum of its proper divisors (15820105).

680262623 is a wasteful number, since it uses less digits than its factorization.

680262623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15820104.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 680262623 is about 26081.8447008642. The cubic root of 680262623 is about 879.4791265863.

The spelling of 680262623 in words is "six hundred eighty million, two hundred sixty-two thousand, six hundred twenty-three".