131133023012323 has 4 divisors (see below), whose sum is σ = 138846730248360. Its totient is φ = 123419315776288.

The previous prime is 131133023012311. The next prime is 131133023012359. The reversal of 131133023012323 is 323210320331131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131133023012323 - 2⁹ = 131133023011811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131133023012291 and 131133023012300.

It is not an unprimeable number, because it can be changed into a prime (131133023018323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856853617993 + ... + 3856853618026.

It is an arithmetic number, because the mean of its divisors is an integer number (34711682562090).

Almost surely, 2^{131133023012323} is an apocalyptic number.

131133023012323 is a deficient number, since it is larger than the sum of its proper divisors (7713707236037).

131133023012323 is an equidigital number, since it uses as much as digits as its factorization.

131133023012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713707236036.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 131133023012323 its reverse (323210320331131), we get a palindrome (454343343343454).

The spelling of 131133023012323 in words is "one hundred thirty-one trillion, one hundred thirty-three billion, twenty-three million, twelve thousand, three hundred twenty-three".