5443123405 has 16 divisors (see below), whose sum is σ = 6591849264. Its totient is φ = 4314608640.

The previous prime is 5443123403. The next prime is 5443123417. The reversal of 5443123405 is 5043213445.

It can be written as a sum of positive squares in 8 ways, for example, as 2341301769 + 3101821636 = 48387^2 + 55694^2 .

It is not a de Polignac number, because 5443123405 - 2¹ = 5443123403 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 (5443123403) 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, 239829 + ... + 261541.

It is an arithmetic number, because the mean of its divisors is an integer number (411990579).

Almost surely, 2^5443123405 is an apocalyptic number.

It is an amenable number.

5443123405 is a deficient number, since it is larger than the sum of its proper divisors (1148725859).

5443123405 is a wasteful number, since it uses less digits than its factorization.

5443123405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22176.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 5443123405 is about 73777.5264223463. The cubic root of 5443123405 is about 1759.0683995572.

The spelling of 5443123405 in words is "five billion, four hundred forty-three million, one hundred twenty-three thousand, four hundred five".