131123200113123 has 32 divisors (see below), whose sum is σ = 186298083107136. Its totient is φ = 81749279367168.

The previous prime is 131123200113109. The next prime is 131123200113137. The reversal of 131123200113123 is 321311002321131.

It is an interprime number because it is at equal distance from previous prime (131123200113109) and next prime (131123200113137).

It is not a de Polignac number, because 131123200113123 - 2²⁰ = 131123199064547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131123200113093 and 131123200113102.

It is not an unprimeable number, because it can be changed into a prime (131123200113193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7983336 + ... + 18054917.

It is an arithmetic number, because the mean of its divisors is an integer number (5821815097098).

Almost surely, 2^{131123200113123} is an apocalyptic number.

131123200113123 is a deficient number, since it is larger than the sum of its proper divisors (55174882994013).

131123200113123 is a wasteful number, since it uses less digits than its factorization.

131123200113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26038903.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 131123200113123 its reverse (321311002321131), we get a palindrome (452434202434254).

The spelling of 131123200113123 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred million, one hundred thirteen thousand, one hundred twenty-three".