2185177323 has 16 divisors (see below), whose sum is σ = 3351850496. Its totient is φ = 1240401600.

The previous prime is 2185177303. The next prime is 2185177361. The reversal of 2185177323 is 3237715812.

2185177323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2185177323 - 2⁹ = 2185176811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2185177303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341386 + ... + 347727.

It is an arithmetic number, because the mean of its divisors is an integer number (209490656).

Almost surely, 2^2185177323 is an apocalyptic number.

2185177323 is a deficient number, since it is larger than the sum of its proper divisors (1166673173).

2185177323 is a wasteful number, since it uses less digits than its factorization.

2185177323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689274.

The product of its digits is 70560, while the sum is 39.

The square root of 2185177323 is about 46745.8802783732. The cubic root of 2185177323 is about 1297.6639156444.

The spelling of 2185177323 in words is "two billion, one hundred eighty-five million, one hundred seventy-seven thousand, three hundred twenty-three".