131262623 has 2 divisors, whose sum is σ = 131262624. Its totient is φ = 131262622.

The previous prime is 131262611. The next prime is 131262641. The reversal of 131262623 is 326262131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131262623 - 2⁸ = 131262367 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 131262592 and 131262601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131262673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65631311 + 65631312.

It is an arithmetic number, because the mean of its divisors is an integer number (65631312).

Almost surely, 2^131262623 is an apocalyptic number.

131262623 is a deficient number, since it is larger than the sum of its proper divisors (1).

131262623 is an equidigital number, since it uses as much as digits as its factorization.

131262623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 131262623 is about 11456.9901370299. The cubic root of 131262623 is about 508.2144699121.

The spelling of 131262623 in words is "one hundred thirty-one million, two hundred sixty-two thousand, six hundred twenty-three".