2600223173 has 2 divisors, whose sum is σ = 2600223174. Its totient is φ = 2600223172.

The previous prime is 2600223127. The next prime is 2600223191. The reversal of 2600223173 is 3713220062.

2600223173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1515311329 + 1084911844 = 38927^2 + 32938^2 .

It is a cyclic number.

It is not a de Polignac number, because 2600223173 - 2⁸ = 2600222917 is a prime.

It is a super-2 number, since 2×2600223173² = 13522321098812375858, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2600223973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300111586 + 1300111587.

It is an arithmetic number, because the mean of its divisors is an integer number (1300111587).

Almost surely, 2^2600223173 is an apocalyptic number.

It is an amenable number.

2600223173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600223173 is an equidigital number, since it uses as much as digits as its factorization.

2600223173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 2600223173 is about 50992.3834802807. The cubic root of 2600223173 is about 1375.1082093132.

The spelling of 2600223173 in words is "two billion, six hundred million, two hundred twenty-three thousand, one hundred seventy-three".