5409323723 has 4 divisors (see below), whose sum is σ = 5409527760. Its totient is φ = 5409119688.

The previous prime is 5409323719. The next prime is 5409323737. The reversal of 5409323723 is 3273239045.

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 5409323723 - 2² = 5409323719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5409323753) 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, 55040 + ... + 117677.

It is an arithmetic number, because the mean of its divisors is an integer number (1352381940).

Almost surely, 2^5409323723 is an apocalyptic number.

5409323723 is a deficient number, since it is larger than the sum of its proper divisors (204037).

5409323723 is a wasteful number, since it uses less digits than its factorization.

5409323723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204036.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 5409323723 is about 73548.1048226261. The cubic root of 5409323723 is about 1755.4197931396.

The spelling of 5409323723 in words is "five billion, four hundred nine million, three hundred twenty-three thousand, seven hundred twenty-three".