1442344123 has 16 divisors (see below), whose sum is σ = 1591589376. Its totient is φ = 1296167040.

The previous prime is 1442344121. The next prime is 1442344129. The reversal of 1442344123 is 3214432441.

It is a cyclic number.

It is not a de Polignac number, because 1442344123 - 2¹ = 1442344121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442344091 and 1442344100.

It is not an unprimeable number, because it can be changed into a prime (1442344121) 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 in 15 ways as a sum of consecutive naturals, for example, 1106290 + ... + 1107592.

It is an arithmetic number, because the mean of its divisors is an integer number (99474336).

Almost surely, 2^1442344123 is an apocalyptic number.

1442344123 is a deficient number, since it is larger than the sum of its proper divisors (149245253).

1442344123 is a wasteful number, since it uses less digits than its factorization.

1442344123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394.

The product of its digits is 9216, while the sum is 28.

The square root of 1442344123 is about 37978.2058949603. The cubic root of 1442344123 is about 1129.8556536323.

Adding to 1442344123 its reverse (3214432441), we get a palindrome (4656776564).

The spelling of 1442344123 in words is "one billion, four hundred forty-two million, three hundred forty-four thousand, one hundred twenty-three".