5813581023 has 6 divisors (see below), whose sum is σ = 8397394824. Its totient is φ = 3875720676.

The previous prime is 5813581013. The next prime is 5813581043. The reversal of 5813581023 is 3201853185.

5813581023 is a `hidden beast` number, since 58 + 1 + 3 + 581 + 0 + 23 = 666.

It is not a de Polignac number, because 5813581023 - 2⁵ = 5813580991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5813581013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322976715 + ... + 322976732.

It is an arithmetic number, because the mean of its divisors is an integer number (1399565804).

Almost surely, 2^5813581023 is an apocalyptic number.

5813581023 is a deficient number, since it is larger than the sum of its proper divisors (2583813801).

5813581023 is a wasteful number, since it uses less digits than its factorization.

5813581023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645953453 (or 645953450 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 5813581023 is about 76246.8427084033. The cubic root of 5813581023 is about 1798.1030450886.

The spelling of 5813581023 in words is "five billion, eight hundred thirteen million, five hundred eighty-one thousand, twenty-three".