10131323212123 has 4 divisors (see below), whose sum is σ = 10132289306640. Its totient is φ = 10130357117608.

The previous prime is 10131323212117. The next prime is 10131323212169. The reversal of 10131323212123 is 32121232313101.

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 10131323212123 - 2³⁷ = 9993884258651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10131323212183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483031528 + ... + 483052501.

It is an arithmetic number, because the mean of its divisors is an integer number (2533072326660).

Almost surely, 2^{10131323212123} is an apocalyptic number.

10131323212123 is a deficient number, since it is larger than the sum of its proper divisors (966094517).

10131323212123 is an equidigital number, since it uses as much as digits as its factorization.

10131323212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966094516.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 10131323212123 its reverse (32121232313101), we get a palindrome (42252555525224).

The spelling of 10131323212123 in words is "ten trillion, one hundred thirty-one billion, three hundred twenty-three million, two hundred twelve thousand, one hundred twenty-three".