23130530 has 8 divisors (see below), whose sum is σ = 41634972. Its totient is φ = 9252208.

The previous prime is 23130521. The next prime is 23130553. The reversal of 23130530 is 3503132.

It can be written as a sum of positive squares in 2 ways, for example, as 21353641 + 1776889 = 4621^2 + 1333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23130499 and 23130508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156517 + ... + 1156536.

Almost surely, 2^23130530 is an apocalyptic number.

23130530 is a deficient number, since it is larger than the sum of its proper divisors (18504442).

23130530 is a wasteful number, since it uses less digits than its factorization.

23130530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313060.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 23130530 is about 4809.4209630682. The cubic root of 23130530 is about 284.9236688985.

Adding to 23130530 its reverse (3503132), we get a palindrome (26633662).

The spelling of 23130530 in words is "twenty-three million, one hundred thirty thousand, five hundred thirty".