680238373 has 4 divisors (see below), whose sum is σ = 680327488. Its totient is φ = 680149260.

The previous prime is 680238367. The next prime is 680238401. The reversal of 680238373 is 373832086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 373832086 = 2 ⋅186916043.

It is a cyclic number.

It is not a de Polignac number, because 680238373 - 2⁵ = 680238341 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 (680238313) 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, 31911 + ... + 48772.

It is an arithmetic number, because the mean of its divisors is an integer number (170081872).

Almost surely, 2^680238373 is an apocalyptic number.

It is an amenable number.

680238373 is a deficient number, since it is larger than the sum of its proper divisors (89115).

680238373 is an equidigital number, since it uses as much as digits as its factorization.

680238373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89114.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 680238373 is about 26081.3798139592. The cubic root of 680238373 is about 879.4686759057.

The spelling of 680238373 in words is "six hundred eighty million, two hundred thirty-eight thousand, three hundred seventy-three".