131025442423 has 8 divisors (see below), whose sum is σ = 137925308720. Its totient is φ = 124125955200.

The previous prime is 131025442393. The next prime is 131025442447. The reversal of 131025442423 is 324244520131.

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 131025442423 - 2¹³ = 131025434231 is a prime.

It is a super-2 number, since 2×131025442423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131025445423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863023 + ... + 1003423.

It is an arithmetic number, because the mean of its divisors is an integer number (17240663590).

Almost surely, 2^131025442423 is an apocalyptic number.

131025442423 is a deficient number, since it is larger than the sum of its proper divisors (6899866297).

131025442423 is a wasteful number, since it uses less digits than its factorization.

131025442423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189537.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 131025442423 its reverse (324244520131), we get a palindrome (455269962554).

The spelling of 131025442423 in words is "one hundred thirty-one billion, twenty-five million, four hundred forty-two thousand, four hundred twenty-three".