1442340265523 has 4 divisors (see below), whose sum is σ = 1442948593608. Its totient is φ = 1441731937440.

The previous prime is 1442340265501. The next prime is 1442340265703. The reversal of 1442340265523 is 3255620432441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442340265523 - 2²⁰ = 1442339216947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442340265423) 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, 304160486 + ... + 304165227.

It is an arithmetic number, because the mean of its divisors is an integer number (360737148402).

Almost surely, 2^{1442340265523} is an apocalyptic number.

1442340265523 is a deficient number, since it is larger than the sum of its proper divisors (608328085).

1442340265523 is an equidigital number, since it uses as much as digits as its factorization.

1442340265523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608328084.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 1442340265523 its reverse (3255620432441), we get a palindrome (4697960697964).

The spelling of 1442340265523 in words is "one trillion, four hundred forty-two billion, three hundred forty million, two hundred sixty-five thousand, five hundred twenty-three".