131200015423 has 2 divisors, whose sum is σ = 131200015424. Its totient is φ = 131200015422.

The previous prime is 131200015399. The next prime is 131200015433. The reversal of 131200015423 is 324510002131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131200015423 - 2¹³ = 131200007231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131200015394 and 131200015403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131200015433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600007711 + 65600007712.

It is an arithmetic number, because the mean of its divisors is an integer number (65600007712).

Almost surely, 2^131200015423 is an apocalyptic number.

131200015423 is a deficient number, since it is larger than the sum of its proper divisors (1).

131200015423 is an equidigital number, since it uses as much as digits as its factorization.

131200015423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 131200015423 its reverse (324510002131), we get a palindrome (455710017554).

The spelling of 131200015423 in words is "one hundred thirty-one billion, two hundred million, fifteen thousand, four hundred twenty-three".