45543116823 has 16 divisors (see below), whose sum is σ = 62099952480. Its totient is φ = 29678440064.

The previous prime is 45543116821. The next prime is 45543116837. The reversal of 45543116823 is 32861134554.

It is a cyclic number.

It is not a de Polignac number, because 45543116823 - 2¹ = 45543116821 is a prime.

It is a super-2 number, since 2×45543116823² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45543116821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489636 + ... + 575177.

It is an arithmetic number, because the mean of its divisors is an integer number (3881247030).

Almost surely, 2^45543116823 is an apocalyptic number.

45543116823 is a deficient number, since it is larger than the sum of its proper divisors (16556835657).

45543116823 is a wasteful number, since it uses less digits than its factorization.

45543116823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065138.

The product of its digits is 345600, while the sum is 42.

The spelling of 45543116823 in words is "forty-five billion, five hundred forty-three million, one hundred sixteen thousand, eight hundred twenty-three".