130049823 has 4 divisors (see below), whose sum is σ = 173399768. Its totient is φ = 86699880.

The previous prime is 130049791. The next prime is 130049839. The reversal of 130049823 is 328940031.

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

It is not a de Polignac number, because 130049823 - 2⁵ = 130049791 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130049873) 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, 21674968 + ... + 21674973.

It is an arithmetic number, because the mean of its divisors is an integer number (43349942).

Almost surely, 2^130049823 is an apocalyptic number.

130049823 is a deficient number, since it is larger than the sum of its proper divisors (43349945).

130049823 is an equidigital number, since it uses as much as digits as its factorization.

130049823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43349944.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 130049823 is about 11403.9389247751. The cubic root of 130049823 is about 506.6444098507.

Adding to 130049823 its reverse (328940031), we get a palindrome (458989854).

The spelling of 130049823 in words is "one hundred thirty million, forty-nine thousand, eight hundred twenty-three".