2172323093 has 4 divisors (see below), whose sum is σ = 2173971360. Its totient is φ = 2170674828.

The previous prime is 2172323009. The next prime is 2172323099. The reversal of 2172323093 is 3903232712.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2172323093 - 2¹⁰ = 2172322069 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 (2172323099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822155 + ... + 824792.

It is an arithmetic number, because the mean of its divisors is an integer number (543492840).

Almost surely, 2^2172323093 is an apocalyptic number.

It is an amenable number.

2172323093 is a deficient number, since it is larger than the sum of its proper divisors (1648267).

2172323093 is a wasteful number, since it uses less digits than its factorization.

2172323093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648266.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 2172323093 is about 46608.1869739641. The cubic root of 2172323093 is about 1295.1144222923.

The spelling of 2172323093 in words is "two billion, one hundred seventy-two million, three hundred twenty-three thousand, ninety-three".