2111670723 has 8 divisors (see below), whose sum is σ = 2815936336. Its totient is φ = 1407592800.

The previous prime is 2111670719. The next prime is 2111670749. The reversal of 2111670723 is 3270761112.

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

It is not a de Polignac number, because 2111670723 - 2² = 2111670719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111670823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18148 + ... + 67473.

It is an arithmetic number, because the mean of its divisors is an integer number (351992042).

Almost surely, 2^2111670723 is an apocalyptic number.

2111670723 is a deficient number, since it is larger than the sum of its proper divisors (704265613).

2111670723 is an equidigital number, since it uses as much as digits as its factorization.

2111670723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93845.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 2111670723 is about 45952.9185471391. The cubic root of 2111670723 is about 1282.9470513055.

The spelling of 2111670723 in words is "two billion, one hundred eleven million, six hundred seventy thousand, seven hundred twenty-three".