4170720223 has 2 divisors, whose sum is σ = 4170720224. Its totient is φ = 4170720222.

The previous prime is 4170720209. The next prime is 4170720241. The reversal of 4170720223 is 3220270714.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4170720223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4170720191 and 4170720200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4170720523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085360111 + 2085360112.

It is an arithmetic number, because the mean of its divisors is an integer number (2085360112).

Almost surely, 2^4170720223 is an apocalyptic number.

4170720223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4170720223 is an equidigital number, since it uses as much as digits as its factorization.

4170720223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 4170720223 is about 64581.1135162595. The cubic root of 4170720223 is about 1609.6706272966.

Adding to 4170720223 its reverse (3220270714), we get a palindrome (7390990937).

The spelling of 4170720223 in words is "four billion, one hundred seventy million, seven hundred twenty thousand, two hundred twenty-three".