131423245323340 has 12 divisors (see below), whose sum is σ = 275988815179056. Its totient is φ = 52569298129328.

The previous prime is 131423245323319. The next prime is 131423245323347. The reversal of 131423245323340 is 43323542324131.

It is a super-2 number, since 2×131423245323340² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131423245323293 and 131423245323302.

It is not an unprimeable number, because it can be changed into a prime (131423245323347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285581133064 + ... + 3285581133103.

It is an arithmetic number, because the mean of its divisors is an integer number (22999067931588).

Almost surely, 2^{131423245323340} is an apocalyptic number.

131423245323340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423245323340 is an abundant number, since it is smaller than the sum of its proper divisors (144565569855716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131423245323340 is a wasteful number, since it uses less digits than its factorization.

131423245323340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571162266176 (or 6571162266174 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 40.

Adding to 131423245323340 its reverse (43323542324131), we get a palindrome (174746787647471).

The spelling of 131423245323340 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, two hundred forty-five million, three hundred twenty-three thousand, three hundred forty".