4131123239 has 2 divisors, whose sum is σ = 4131123240. Its totient is φ = 4131123238.

The previous prime is 4131123211. The next prime is 4131123281. The reversal of 4131123239 is 9323211314.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4131123239 - 2¹² = 4131119143 is a prime.

It is a super-2 number, since 2×4131123239² = 34132358431611702242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4131123289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2065561619 + 2065561620.

It is an arithmetic number, because the mean of its divisors is an integer number (2065561620).

Almost surely, 2^4131123239 is an apocalyptic number.

4131123239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4131123239 is an equidigital number, since it uses as much as digits as its factorization.

4131123239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 4131123239 is about 64273.8145670537. The cubic root of 4131123239 is about 1604.5603281918.

The spelling of 4131123239 in words is "four billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty-nine".