2170505323 has 6 divisors (see below), whose sum is σ = 2524873596. Its totient is φ = 1860433092.

The previous prime is 2170505297. The next prime is 2170505327. The reversal of 2170505323 is 3235050712.

It is not a de Polignac number, because 2170505323 - 2⁵ = 2170505291 is a prime.

It is a super-2 number, since 2×2170505323² = 9422186714342668658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2170505291 and 2170505300.

It is not an unprimeable number, because it can be changed into a prime (2170505327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22147965 + ... + 22148062.

It is an arithmetic number, because the mean of its divisors is an integer number (420812266).

Almost surely, 2^2170505323 is an apocalyptic number.

2170505323 is a deficient number, since it is larger than the sum of its proper divisors (354368273).

2170505323 is an equidigital number, since it uses as much as digits as its factorization.

2170505323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44296041 (or 44296034 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 2170505323 is about 46588.6823488280. The cubic root of 2170505323 is about 1294.7530768559.

The spelling of 2170505323 in words is "two billion, one hundred seventy million, five hundred five thousand, three hundred twenty-three".