130421423 has 6 divisors (see below), whose sum is σ = 143355912. Its totient is φ = 118564820.

The previous prime is 130421419. The next prime is 130421429. The reversal of 130421423 is 324124031.

It is not a de Polignac number, because 130421423 - 2² = 130421419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130421395 and 130421404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130421429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538811 + ... + 539052.

It is an arithmetic number, because the mean of its divisors is an integer number (23892652).

Almost surely, 2^130421423 is an apocalyptic number.

130421423 is a deficient number, since it is larger than the sum of its proper divisors (12934489).

130421423 is a wasteful number, since it uses less digits than its factorization.

130421423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077885 (or 1077874 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 130421423 is about 11420.2199190734. The cubic root of 130421423 is about 507.1265072104.

Adding to 130421423 its reverse (324124031), we get a palindrome (454545454).

The spelling of 130421423 in words is "one hundred thirty million, four hundred twenty-one thousand, four hundred twenty-three".