130523323445 has 4 divisors (see below), whose sum is σ = 156627988140. Its totient is φ = 104418658752.

The previous prime is 130523323439. The next prime is 130523323471. The reversal of 130523323445 is 544323325031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38118267121 + 92405056324 = 195239^2 + 303982^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130523323445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13052332340 + ... + 13052332349.

It is an arithmetic number, because the mean of its divisors is an integer number (39156997035).

Almost surely, 2^130523323445 is an apocalyptic number.

It is an amenable number.

130523323445 is a deficient number, since it is larger than the sum of its proper divisors (26104664695).

130523323445 is an equidigital number, since it uses as much as digits as its factorization.

130523323445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26104664694.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 130523323445 its reverse (544323325031), we get a palindrome (674846648476).

The spelling of 130523323445 in words is "one hundred thirty billion, five hundred twenty-three million, three hundred twenty-three thousand, four hundred forty-five".