11453663445023 has 12 divisors (see below), whose sum is σ = 11566110508920. Its totient is φ = 11341352118096.

The previous prime is 11453663444999. The next prime is 11453663445113. The reversal of 11453663445023 is 32054436635411.

It is a happy number.

It is not a de Polignac number, because 11453663445023 - 2⁸ = 11453663444767 is a prime.

It is a super-2 number, since 2×11453663445023² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11453663495023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581338840 + ... + 1581346082.

It is an arithmetic number, because the mean of its divisors is an integer number (963842542410).

Almost surely, 2^{11453663445023} is an apocalyptic number.

11453663445023 is a deficient number, since it is larger than the sum of its proper divisors (112447063897).

11453663445023 is an frugal number, since it uses more digits than its factorization.

11453663445023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16598 (or 9355 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 11453663445023 in words is "eleven trillion, four hundred fifty-three billion, six hundred sixty-three million, four hundred forty-five thousand, twenty-three".