131203243040123 has 16 divisors (see below), whose sum is σ = 141888050562720. Its totient is φ = 120898585310976.

The previous prime is 131203243040081. The next prime is 131203243040131. The reversal of 131203243040123 is 321040342302131.

It is a cyclic number.

It is not a de Polignac number, because 131203243040123 - 2⁶ = 131203243040059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131203243040153) 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, 28591586 + ... + 32861607.

It is an arithmetic number, because the mean of its divisors is an integer number (8868003160170).

Almost surely, 2^{131203243040123} is an apocalyptic number.

131203243040123 is a deficient number, since it is larger than the sum of its proper divisors (10684807522597).

131203243040123 is a wasteful number, since it uses less digits than its factorization.

131203243040123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61456286.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131203243040123 its reverse (321040342302131), we get a palindrome (452243585342254).

The spelling of 131203243040123 in words is "one hundred thirty-one trillion, two hundred three billion, two hundred forty-three million, forty thousand, one hundred twenty-three".