2130440423 has 2 divisors, whose sum is σ = 2130440424. Its totient is φ = 2130440422.

The previous prime is 2130440383. The next prime is 2130440443. The reversal of 2130440423 is 3240440312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130440423 - 2⁶ = 2130440359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130440443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065220211 + 1065220212.

It is an arithmetic number, because the mean of its divisors is an integer number (1065220212).

Almost surely, 2^2130440423 is an apocalyptic number.

2130440423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130440423 is an equidigital number, since it uses as much as digits as its factorization.

2130440423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2130440423 is about 46156.6942382142. The cubic root of 2130440423 is about 1286.7370257894.

Adding to 2130440423 its reverse (3240440312), we get a palindrome (5370880735).

The spelling of 2130440423 in words is "two billion, one hundred thirty million, four hundred forty thousand, four hundred twenty-three".