131143123320023 has 12 divisors (see below), whose sum is σ = 138070725165072. Its totient is φ = 124486550758080.

The previous prime is 131143123320019. The next prime is 131143123320029. The reversal of 131143123320023 is 320023321341131.

It is not a de Polignac number, because 131143123320023 - 2² = 131143123320019 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 (131143123320029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1168173515 + ... + 1168285772.

It is an arithmetic number, because the mean of its divisors is an integer number (11505893763756).

Almost surely, 2^{131143123320023} is an apocalyptic number.

131143123320023 is a deficient number, since it is larger than the sum of its proper divisors (6927601845049).

131143123320023 is an equidigital number, since it uses as much as digits as its factorization.

131143123320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336459402 (or 2336459365 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 131143123320023 its reverse (320023321341131), we get a palindrome (451166444661154).

The spelling of 131143123320023 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred twenty-three million, three hundred twenty thousand, twenty-three".