131403033343423 has 4 divisors (see below), whose sum is σ = 131403082741888. Its totient is φ = 131402983944960.

The previous prime is 131403033343303. The next prime is 131403033343451. The reversal of 131403033343423 is 324343330304131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131403033343423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403033343823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20467458 + ... + 26109823.

It is an arithmetic number, because the mean of its divisors is an integer number (32850770685472).

Almost surely, 2^{131403033343423} is an apocalyptic number.

131403033343423 is a deficient number, since it is larger than the sum of its proper divisors (49398465).

131403033343423 is an equidigital number, since it uses as much as digits as its factorization.

131403033343423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49398464.

The product of its (nonzero) digits is 279936, while the sum is 37.

Adding to 131403033343423 its reverse (324343330304131), we get a palindrome (455746363647554).

The spelling of 131403033343423 in words is "one hundred thirty-one trillion, four hundred three billion, thirty-three million, three hundred forty-three thousand, four hundred twenty-three".