130423403221 has 4 divisors (see below), whose sum is σ = 130523499232. Its totient is φ = 130323307212.

The previous prime is 130423403219. The next prime is 130423403239. The reversal of 130423403221 is 122304324031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130423403221 - 2¹ = 130423403219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130423403261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50046051 + ... + 50048656.

It is an arithmetic number, because the mean of its divisors is an integer number (32630874808).

Almost surely, 2^130423403221 is an apocalyptic number.

It is an amenable number.

130423403221 is a deficient number, since it is larger than the sum of its proper divisors (100096011).

130423403221 is a wasteful number, since it uses less digits than its factorization.

130423403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100096010.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 130423403221 its reverse (122304324031), we get a palindrome (252727727252).

The spelling of 130423403221 in words is "one hundred thirty billion, four hundred twenty-three million, four hundred three thousand, two hundred twenty-one".