2042321423 has 2 divisors, whose sum is σ = 2042321424. Its totient is φ = 2042321422.

The previous prime is 2042321387. The next prime is 2042321441. The reversal of 2042321423 is 3241232402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2042321423 - 2¹⁴ = 2042305039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042321453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021160711 + 1021160712.

It is an arithmetic number, because the mean of its divisors is an integer number (1021160712).

Almost surely, 2^2042321423 is an apocalyptic number.

2042321423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042321423 is an equidigital number, since it uses as much as digits as its factorization.

2042321423 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 2042321423 is about 45192.0504403153. The cubic root of 2042321423 is about 1268.7460338540.

Adding to 2042321423 its reverse (3241232402), we get a palindrome (5283553825).

The spelling of 2042321423 in words is "two billion, forty-two million, three hundred twenty-one thousand, four hundred twenty-three".