2140223 has 2 divisors, whose sum is σ = 2140224. Its totient is φ = 2140222.

The previous prime is 2140207. The next prime is 2140231. The reversal of 2140223 is 3220412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140223 - 2⁴ = 2140207 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2140198 and 2140207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070111 + 1070112.

It is an arithmetic number, because the mean of its divisors is an integer number (1070112).

2^2140223 is an apocalyptic number.

2140223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140223 is an equidigital number, since it uses as much as digits as its factorization.

2140223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2140223 is about 1462.9501016781. The cubic root of 2140223 is about 128.8703502810.

Adding to 2140223 its reverse (3220412), we get a palindrome (5360635).

The spelling of 2140223 in words is "two million, one hundred forty thousand, two hundred twenty-three".