4123323212131 has 16 divisors (see below), whose sum is σ = 4562980007040. Its totient is φ = 3708326522880.

The previous prime is 4123323212119. The next prime is 4123323212171. The reversal of 4123323212131 is 1312123233214.

It is a cyclic number.

It is not a de Polignac number, because 4123323212131 - 2¹⁹ = 4123322687843 is a prime.

It is a super-2 number, since 2×4123323212131² (a number of 26 digits) contains 22 as substring.

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 4123323212131.

It is not an unprimeable number, because it can be changed into a prime (4123323212171) 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 15 ways as a sum of consecutive naturals, for example, 43064235 + ... + 43159876.

It is an arithmetic number, because the mean of its divisors is an integer number (285186250440).

Almost surely, 2^{4123323212131} is an apocalyptic number.

4123323212131 is a deficient number, since it is larger than the sum of its proper divisors (439656794909).

4123323212131 is a wasteful number, since it uses less digits than its factorization.

4123323212131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86224254.

The product of its digits is 5184, while the sum is 28.

Adding to 4123323212131 its reverse (1312123233214), we get a palindrome (5435446445345).

The spelling of 4123323212131 in words is "four trillion, one hundred twenty-three billion, three hundred twenty-three million, two hundred twelve thousand, one hundred thirty-one".