131423432423420 has 12 divisors (see below), whose sum is σ = 275989208089224. Its totient is φ = 52569372969360.

The previous prime is 131423432423377. The next prime is 131423432423443. The reversal of 131423432423420 is 24324234324131.

It is a super-3 number, since 3×131423432423420³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285585810566 + ... + 3285585810605.

It is an arithmetic number, because the mean of its divisors is an integer number (22999100674102).

Almost surely, 2^{131423432423420} is an apocalyptic number.

131423432423420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423432423420 is an abundant number, since it is smaller than the sum of its proper divisors (144565775665804).

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

131423432423420 is a wasteful number, since it uses less digits than its factorization.

131423432423420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571171621180 (or 6571171621178 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 131423432423420 its reverse (24324234324131), we get a palindrome (155747666747551).

The spelling of 131423432423420 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred thirty-two million, four hundred twenty-three thousand, four hundred twenty".