131202423543 has 16 divisors (see below), whose sum is σ = 175347244800. Its totient is φ = 87263178816.

The previous prime is 131202423503. The next prime is 131202423559. The reversal of 131202423543 is 345324202131.

It is not a de Polignac number, because 131202423543 - 2⁹ = 131202423031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131202423543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131202423503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2259196 + ... + 2316542.

It is an arithmetic number, because the mean of its divisors is an integer number (10959202800).

Almost surely, 2^131202423543 is an apocalyptic number.

131202423543 is a deficient number, since it is larger than the sum of its proper divisors (44144821257).

131202423543 is a wasteful number, since it uses less digits than its factorization.

131202423543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59126.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 131202423543 its reverse (345324202131), we get a palindrome (476526625674).

The spelling of 131202423543 in words is "one hundred thirty-one billion, two hundred two million, four hundred twenty-three thousand, five hundred forty-three".