1442662323453 has 12 divisors (see below), whose sum is σ = 2244141392220. Its totient is φ = 887792198976.

The previous prime is 1442662323439. The next prime is 1442662323503. The reversal of 1442662323453 is 3543232662441.

1442662323453 is a `hidden beast` number, since 1 + 44 + 266 + 2 + 3 + 2 + 345 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 185655850884 + 1257006472569 = 430878^2 + 1121163^2 .

It is not a de Polignac number, because 1442662323453 - 2¹⁰ = 1442662322429 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1442662323399 and 1442662323408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442662327453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6165223488 + ... + 6165223721.

It is an arithmetic number, because the mean of its divisors is an integer number (187011782685).

Almost surely, 2^{1442662323453} is an apocalyptic number.

1442662323453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1442662323453 is a deficient number, since it is larger than the sum of its proper divisors (801479068767).

1442662323453 is a wasteful number, since it uses less digits than its factorization.

1442662323453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330447228 (or 12330447225 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 45.

Adding to 1442662323453 its reverse (3543232662441), we get a palindrome (4985894985894).

The spelling of 1442662323453 in words is "one trillion, four hundred forty-two billion, six hundred sixty-two million, three hundred twenty-three thousand, four hundred fifty-three".