5081181323 has 4 divisors (see below), whose sum is σ = 5380074360. Its totient is φ = 4782288288.

The previous prime is 5081181317. The next prime is 5081181337. The reversal of 5081181323 is 3231811805.

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 5081181323 - 2⁴ = 5081181307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5081181323.

It is not an unprimeable number, because it can be changed into a prime (5081181353) 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, 149446493 + ... + 149446526.

It is an arithmetic number, because the mean of its divisors is an integer number (1345018590).

Almost surely, 2^5081181323 is an apocalyptic number.

5081181323 is a deficient number, since it is larger than the sum of its proper divisors (298893037).

5081181323 is a wasteful number, since it uses less digits than its factorization.

5081181323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298893036.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 5081181323 is about 71282.4054237790. The cubic root of 5081181323 is about 1719.1808478837.

The spelling of 5081181323 in words is "five billion, eighty-one million, one hundred eighty-one thousand, three hundred twenty-three".