2140420223 has 2 divisors, whose sum is σ = 2140420224. Its totient is φ = 2140420222.

The previous prime is 2140420199. The next prime is 2140420229. The reversal of 2140420223 is 3220240412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140420223 - 2¹⁰ = 2140419199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2140420195 and 2140420204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140420229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070210111 + 1070210112.

It is an arithmetic number, because the mean of its divisors is an integer number (1070210112).

Almost surely, 2^2140420223 is an apocalyptic number.

2140420223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140420223 is an equidigital number, since it uses as much as digits as its factorization.

2140420223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2140420223 is about 46264.6757580770. The cubic root of 2140420223 is about 1288.7430865609.

Adding to 2140420223 its reverse (3220240412), we get a palindrome (5360660635).

The spelling of 2140420223 in words is "two billion, one hundred forty million, four hundred twenty thousand, two hundred twenty-three".