6138575823 has 16 divisors (see below), whose sum is σ = 8564451840. Its totient is φ = 3903534624.

The previous prime is 6138575809. The next prime is 6138575867. The reversal of 6138575823 is 3285758316.

It is not a de Polignac number, because 6138575823 - 2⁵ = 6138575791 is a prime.

It is a super-2 number, since 2×6138575823² = 75364226269440254658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6138575873) 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, 99136 + ... + 148677.

It is an arithmetic number, because the mean of its divisors is an integer number (535278240).

Almost surely, 2^6138575823 is an apocalyptic number.

6138575823 is a deficient number, since it is larger than the sum of its proper divisors (2425876017).

6138575823 is a wasteful number, since it uses less digits than its factorization.

6138575823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248198.

The product of its digits is 1209600, while the sum is 48.

The square root of 6138575823 is about 78349.0639573952. The cubic root of 6138575823 is about 1831.0036421835.

The spelling of 6138575823 in words is "six billion, one hundred thirty-eight million, five hundred seventy-five thousand, eight hundred twenty-three".