1442204823 has 32 divisors (see below), whose sum is σ = 2081664000. Its totient is φ = 885257856.

The previous prime is 1442204801. The next prime is 1442204849. The reversal of 1442204823 is 3284022441.

It is not a de Polignac number, because 1442204823 - 2⁸ = 1442204567 is a prime.

It is a super-2 number, since 2×1442204823² = 4159909502968922658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442202823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397365 + ... + 400977.

It is an arithmetic number, because the mean of its divisors is an integer number (65052000).

Almost surely, 2^1442204823 is an apocalyptic number.

1442204823 is a deficient number, since it is larger than the sum of its proper divisors (639459177).

1442204823 is a wasteful number, since it uses less digits than its factorization.

1442204823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831.

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 1442204823 is about 37976.3719041195. The cubic root of 1442204823 is about 1129.8192790582.

The spelling of 1442204823 in words is "one billion, four hundred forty-two million, two hundred four thousand, eight hundred twenty-three".