118012779623 has 4 divisors (see below), whose sum is σ = 118014875160. Its totient is φ = 118010684088.

The previous prime is 118012779593. The next prime is 118012779641. The reversal of 118012779623 is 326977210811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118012779623 - 2¹⁰ = 118012778599 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 (118012779653) 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, 960893 + ... + 1076726.

It is an arithmetic number, because the mean of its divisors is an integer number (29503718790).

Almost surely, 2^118012779623 is an apocalyptic number.

118012779623 is a deficient number, since it is larger than the sum of its proper divisors (2095537).

118012779623 is an equidigital number, since it uses as much as digits as its factorization.

118012779623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095536.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 118012779623 in words is "one hundred eighteen billion, twelve million, seven hundred seventy-nine thousand, six hundred twenty-three".