131202011233123 has 16 divisors (see below), whose sum is σ = 134952245341056. Its totient is φ = 127483584560640.

The previous prime is 131202011233099. The next prime is 131202011233193. The reversal of 131202011233123 is 321332110202131.

It is a cyclic number.

It is not a de Polignac number, because 131202011233123 - 2¹³ = 131202011224931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131202011233193) 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 15 ways as a sum of consecutive naturals, for example, 369185988 + ... + 369541198.

It is an arithmetic number, because the mean of its divisors is an integer number (8434515333816).

Almost surely, 2^{131202011233123} is an apocalyptic number.

131202011233123 is a deficient number, since it is larger than the sum of its proper divisors (3750234107933).

131202011233123 is a wasteful number, since it uses less digits than its factorization.

131202011233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399954.

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

Adding to 131202011233123 its reverse (321332110202131), we get a palindrome (452534121435254).

The spelling of 131202011233123 in words is "one hundred thirty-one trillion, two hundred two billion, eleven million, two hundred thirty-three thousand, one hundred twenty-three".