2140305223 has 16 divisors (see below), whose sum is σ = 2501351424. Its totient is φ = 1793183040.

The previous prime is 2140305221. The next prime is 2140305259. The reversal of 2140305223 is 3225030412.

It is a cyclic number.

It is not a de Polignac number, because 2140305223 - 2¹ = 2140305221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2140305194 and 2140305203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140305221) 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, 278158 + ... + 285748.

It is an arithmetic number, because the mean of its divisors is an integer number (156334464).

Almost surely, 2^2140305223 is an apocalyptic number.

2140305223 is a deficient number, since it is larger than the sum of its proper divisors (361046201).

2140305223 is an equidigital number, since it uses as much as digits as its factorization.

2140305223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8502.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2140305223 is about 46263.4328925124. The cubic root of 2140305223 is about 1288.7200057180.

Adding to 2140305223 its reverse (3225030412), we get a palindrome (5365335635).

The spelling of 2140305223 in words is "two billion, one hundred forty million, three hundred five thousand, two hundred twenty-three".