5443137823 has 4 divisors (see below), whose sum is σ = 5519801808. Its totient is φ = 5366473840.

The previous prime is 5443137779. The next prime is 5443137851. The reversal of 5443137823 is 3287313445.

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 5443137823 - 2¹³ = 5443129631 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 (5443137863) 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, 38331886 + ... + 38332027.

It is an arithmetic number, because the mean of its divisors is an integer number (1379950452).

Almost surely, 2^5443137823 is an apocalyptic number.

5443137823 is a deficient number, since it is larger than the sum of its proper divisors (76663985).

5443137823 is an equidigital number, since it uses as much as digits as its factorization.

5443137823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76663984.

The product of its digits is 241920, while the sum is 40.

The square root of 5443137823 is about 73777.6241349638. The cubic root of 5443137823 is about 1759.0699527234.

The spelling of 5443137823 in words is "five billion, four hundred forty-three million, one hundred thirty-seven thousand, eight hundred twenty-three".