123234423131 has 8 divisors (see below), whose sum is σ = 131582964480. Its totient is φ = 115135092072.

The previous prime is 123234423083. The next prime is 123234423181. The reversal of 123234423131 is 131324432321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123234423131 is a prime.

It is a super-2 number, since 2×123234423131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123234423094 and 123234423103.

It is not an unprimeable number, because it can be changed into a prime (123234423181) 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 7 ways as a sum of consecutive naturals, for example, 62301551 + ... + 62303528.

It is an arithmetic number, because the mean of its divisors is an integer number (16447870560).

Almost surely, 2^123234423131 is an apocalyptic number.

123234423131 is a deficient number, since it is larger than the sum of its proper divisors (8348541349).

123234423131 is a wasteful number, since it uses less digits than its factorization.

123234423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124605145.

The product of its digits is 10368, while the sum is 29.

Adding to 123234423131 its reverse (131324432321), we get a palindrome (254558855452).

The spelling of 123234423131 in words is "one hundred twenty-three billion, two hundred thirty-four million, four hundred twenty-three thousand, one hundred thirty-one".