2231020423 has 2 divisors, whose sum is σ = 2231020424. Its totient is φ = 2231020422.

The previous prime is 2231020409. The next prime is 2231020427. The reversal of 2231020423 is 3240201322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231020423 - 2⁵ = 2231020391 is a prime.

It is a super-3 number, since 3×2231020423³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2231020423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231020427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115510211 + 1115510212.

It is an arithmetic number, because the mean of its divisors is an integer number (1115510212).

Almost surely, 2^2231020423 is an apocalyptic number.

2231020423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231020423 is an equidigital number, since it uses as much as digits as its factorization.

2231020423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2231020423 is about 47233.6789060518. The cubic root of 2231020423 is about 1306.6758021265.

Adding to 2231020423 its reverse (3240201322), we get a palindrome (5471221745).

The spelling of 2231020423 in words is "two billion, two hundred thirty-one million, twenty thousand, four hundred twenty-three".