2131300440123 has 16 divisors (see below), whose sum is σ = 2886071216160. Its totient is φ = 1398864370176.

The previous prime is 2131300440119. The next prime is 2131300440151. The reversal of 2131300440123 is 3210440031312.

It is a happy number.

It is not a de Polignac number, because 2131300440123 - 2² = 2131300440119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131300440093 and 2131300440102.

It is not an unprimeable number, because it can be changed into a prime (2131300440523) 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, 20705790 + ... + 20808467.

It is an arithmetic number, because the mean of its divisors is an integer number (180379451010).

Almost surely, 2^{2131300440123} is an apocalyptic number.

2131300440123 is a deficient number, since it is larger than the sum of its proper divisors (754770776037).

2131300440123 is a wasteful number, since it uses less digits than its factorization.

2131300440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41514526.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2131300440123 its reverse (3210440031312), we get a palindrome (5341740471435).

The spelling of 2131300440123 in words is "two trillion, one hundred thirty-one billion, three hundred million, four hundred forty thousand, one hundred twenty-three".