1442055423 has 4 divisors (see below), whose sum is σ = 1922740568. Its totient is φ = 961370280.

The previous prime is 1442055401. The next prime is 1442055431. The reversal of 1442055423 is 3245502441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1442055423 - 2¹² = 1442051327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442055473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240342568 + ... + 240342573.

It is an arithmetic number, because the mean of its divisors is an integer number (480685142).

Almost surely, 2^1442055423 is an apocalyptic number.

1442055423 is a deficient number, since it is larger than the sum of its proper divisors (480685145).

1442055423 is an equidigital number, since it uses as much as digits as its factorization.

1442055423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480685144.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1442055423 is about 37974.4048406292. The cubic root of 1442055423 is about 1129.7802645284.

Adding to 1442055423 its reverse (3245502441), we get a palindrome (4687557864).

The spelling of 1442055423 in words is "one billion, four hundred forty-two million, fifty-five thousand, four hundred twenty-three".