107566720123 has 4 divisors (see below), whose sum is σ = 108675655480. Its totient is φ = 106457784768.

The previous prime is 107566720109. The next prime is 107566720139. The reversal of 107566720123 is 321027665701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321027665701 = 14207 ⋅22596443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107566720123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107566720823) 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, 554467533 + ... + 554467726.

It is an arithmetic number, because the mean of its divisors is an integer number (27168913870).

Almost surely, 2^107566720123 is an apocalyptic number.

107566720123 is a deficient number, since it is larger than the sum of its proper divisors (1108935357).

107566720123 is an equidigital number, since it uses as much as digits as its factorization.

107566720123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108935356.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 107566720123 in words is "one hundred seven billion, five hundred sixty-six million, seven hundred twenty thousand, one hundred twenty-three".