130505754923 has 4 divisors (see below), whose sum is σ = 130652887440. Its totient is φ = 130358622408.

The previous prime is 130505754893. The next prime is 130505754931. The reversal of 130505754923 is 329457505031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130505754923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130505754943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73564928 + ... + 73566701.

It is an arithmetic number, because the mean of its divisors is an integer number (32663221860).

Almost surely, 2^130505754923 is an apocalyptic number.

130505754923 is a deficient number, since it is larger than the sum of its proper divisors (147132517).

130505754923 is an equidigital number, since it uses as much as digits as its factorization.

130505754923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147132516.

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 130505754923 in words is "one hundred thirty billion, five hundred five million, seven hundred fifty-four thousand, nine hundred twenty-three".