11445471023 has 4 divisors (see below), whose sum is σ = 13080538320. Its totient is φ = 9810403728.

The previous prime is 11445471001. The next prime is 11445471029. The reversal of 11445471023 is 32017454411.

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 11445471023 - 2⁸ = 11445470767 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 (11445471029) 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, 817533638 + ... + 817533651.

It is an arithmetic number, because the mean of its divisors is an integer number (3270134580).

Almost surely, 2^11445471023 is an apocalyptic number.

11445471023 is a deficient number, since it is larger than the sum of its proper divisors (1635067297).

11445471023 is an equidigital number, since it uses as much as digits as its factorization.

11445471023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635067296.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 11445471023 in words is "eleven billion, four hundred forty-five million, four hundred seventy-one thousand, twenty-three".