1442204023 has 4 divisors (see below), whose sum is σ = 1553142808. Its totient is φ = 1331265240.

The previous prime is 1442204003. The next prime is 1442204033. The reversal of 1442204023 is 3204022441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204022441 = 739 ⋅4335619.

It is a cyclic number.

It is not a de Polignac number, because 1442204023 - 2⁵ = 1442203991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442203985 and 1442204003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442204003) 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 3 ways as a sum of consecutive naturals, for example, 55469373 + ... + 55469398.

It is an arithmetic number, because the mean of its divisors is an integer number (388285702).

Almost surely, 2^1442204023 is an apocalyptic number.

1442204023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1442204023 is a deficient number, since it is larger than the sum of its proper divisors (110938785).

1442204023 is a wasteful number, since it uses less digits than its factorization.

1442204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110938784.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1442204023 is about 37976.3613712530. The cubic root of 1442204023 is about 1129.8190701522.

Adding to 1442204023 its reverse (3204022441), we get a palindrome (4646226464).

The spelling of 1442204023 in words is "one billion, four hundred forty-two million, two hundred four thousand, twenty-three".