1445456313323 has 4 divisors (see below), whose sum is σ = 1576861432728. Its totient is φ = 1314051193920.

The previous prime is 1445456313289. The next prime is 1445456313331. The reversal of 1445456313323 is 3233136545441.

It is a happy number.

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 1445456313323 - 2²⁸ = 1445187877867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445456333323) 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, 65702559686 + ... + 65702559707.

It is an arithmetic number, because the mean of its divisors is an integer number (394215358182).

Almost surely, 2^{1445456313323} is an apocalyptic number.

1445456313323 is a deficient number, since it is larger than the sum of its proper divisors (131405119405).

1445456313323 is a wasteful number, since it uses less digits than its factorization.

1445456313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131405119404.

The product of its digits is 1555200, while the sum is 44.

The spelling of 1445456313323 in words is "one trillion, four hundred forty-five billion, four hundred fifty-six million, three hundred thirteen thousand, three hundred twenty-three".