131406023123 has 8 divisors (see below), whose sum is σ = 133054336848. Its totient is φ = 129767979744.

The previous prime is 131406023117. The next prime is 131406023137. The reversal of 131406023123 is 321320604131.

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

It is a cyclic number.

It is not a de Polignac number, because 131406023123 - 2⁴ = 131406023107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131406023092 and 131406023101.

It is not an unprimeable number, because it can be changed into a prime (131406023113) 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 in 7 ways as a sum of consecutive naturals, for example, 2541836 + ... + 2593017.

It is an arithmetic number, because the mean of its divisors is an integer number (16631792106).

Almost surely, 2^131406023123 is an apocalyptic number.

131406023123 is a deficient number, since it is larger than the sum of its proper divisors (1648313725).

131406023123 is a wasteful number, since it uses less digits than its factorization.

131406023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135173.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 131406023123 its reverse (321320604131), we get a palindrome (452726627254).

The spelling of 131406023123 in words is "one hundred thirty-one billion, four hundred six million, twenty-three thousand, one hundred twenty-three".