130644513823 has 2 divisors, whose sum is σ = 130644513824. Its totient is φ = 130644513822.

The previous prime is 130644513799. The next prime is 130644513833. The reversal of 130644513823 is 328315446031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130644513823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130644513833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65322256911 + 65322256912.

It is an arithmetic number, because the mean of its divisors is an integer number (65322256912).

Almost surely, 2^130644513823 is an apocalyptic number.

130644513823 is a deficient number, since it is larger than the sum of its proper divisors (1).

130644513823 is an equidigital number, since it uses as much as digits as its factorization.

130644513823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 130644513823 its reverse (328315446031), we get a palindrome (458959959854).

The spelling of 130644513823 in words is "one hundred thirty billion, six hundred forty-four million, five hundred thirteen thousand, eight hundred twenty-three".