130021323 has 12 divisors (see below), whose sum is σ = 181229160. Its totient is φ = 82911136.

The previous prime is 130021301. The next prime is 130021337. The reversal of 130021323 is 323120031.

It is not a de Polignac number, because 130021323 - 2⁶ = 130021259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130021363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39378 + ... + 42551.

It is an arithmetic number, because the mean of its divisors is an integer number (15102430).

Almost surely, 2^130021323 is an apocalyptic number.

130021323 is a deficient number, since it is larger than the sum of its proper divisors (51207837).

130021323 is an equidigital number, since it uses as much as digits as its factorization.

130021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81978 (or 81955 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130021323 is about 11402.6892880583. The cubic root of 130021323 is about 506.6073973164.

Adding to 130021323 its reverse (323120031), we get a palindrome (453141354).

The spelling of 130021323 in words is "one hundred thirty million, twenty-one thousand, three hundred twenty-three".