1442944515023 has 8 divisors (see below), whose sum is σ = 1666716659280. Its totient is φ = 1234604932480.

The previous prime is 1442944515017. The next prime is 1442944515037. The reversal of 1442944515023 is 3205154492441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442944515023 - 2⁴ = 1442944515007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442944515013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3858140228 + ... + 3858140601.

It is an arithmetic number, because the mean of its divisors is an integer number (208339582410).

Almost surely, 2^{1442944515023} is an apocalyptic number.

1442944515023 is a deficient number, since it is larger than the sum of its proper divisors (223772144257).

1442944515023 is a wasteful number, since it uses less digits than its factorization.

1442944515023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716280857.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 1442944515023 in words is "one trillion, four hundred forty-two billion, nine hundred forty-four million, five hundred fifteen thousand, twenty-three".