4431314123 has 2 divisors, whose sum is σ = 4431314124. Its totient is φ = 4431314122.

The previous prime is 4431314119. The next prime is 4431314137. The reversal of 4431314123 is 3214131344.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4431314123 - 2² = 4431314119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4431314092 and 4431314101.

It is not a weakly prime, because it can be changed into another prime (4431314423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215657061 + 2215657062.

It is an arithmetic number, because the mean of its divisors is an integer number (2215657062).

Almost surely, 2^4431314123 is an apocalyptic number.

4431314123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431314123 is an equidigital number, since it uses as much as digits as its factorization.

4431314123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 4431314123 is about 66568.1164146921. The cubic root of 4431314123 is about 1642.5206779450.

Adding to 4431314123 its reverse (3214131344), we get a palindrome (7645445467).

The spelling of 4431314123 in words is "four billion, four hundred thirty-one million, three hundred fourteen thousand, one hundred twenty-three".