680550111123 has 8 divisors (see below), whose sum is σ = 907927406736. Its totient is φ = 453436444800.

The previous prime is 680550111113. The next prime is 680550111167. The reversal of 680550111123 is 321111055086.

It is a happy number.

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

It is not a de Polignac number, because 680550111123 - 2³⁷ = 543111157651 is a prime.

It is a super-2 number, since 2×680550111123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (680550111103) 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, 65901298 + ... + 65911623.

It is an arithmetic number, because the mean of its divisors is an integer number (113490925842).

Almost surely, 2^680550111123 is an apocalyptic number.

680550111123 is a deficient number, since it is larger than the sum of its proper divisors (227377295613).

680550111123 is a wasteful number, since it uses less digits than its factorization.

680550111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131814645.

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 680550111123 in words is "six hundred eighty billion, five hundred fifty million, one hundred eleven thousand, one hundred twenty-three".