1142341423 has 2 divisors, whose sum is σ = 1142341424. Its totient is φ = 1142341422.

The previous prime is 1142341399. The next prime is 1142341463. The reversal of 1142341423 is 3241432411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142341423 - 2²¹ = 1140244271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142341463) 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, 571170711 + 571170712.

It is an arithmetic number, because the mean of its divisors is an integer number (571170712).

Almost surely, 2^1142341423 is an apocalyptic number.

1142341423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142341423 is an equidigital number, since it uses as much as digits as its factorization.

1142341423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 1142341423 is about 33798.5417288971. The cubic root of 1142341423 is about 1045.3586287698.

Adding to 1142341423 its reverse (3241432411), we get a palindrome (4383773834).

The spelling of 1142341423 in words is "one billion, one hundred forty-two million, three hundred forty-one thousand, four hundred twenty-three".