23130305 has 8 divisors (see below), whose sum is σ = 30279744. Its totient is φ = 16822000.

The previous prime is 23130287. The next prime is 23130323. The reversal of 23130305 is 50303132.

It is an interprime number because it is at equal distance from previous prime (23130287) and next prime (23130323).

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

It is not a de Polignac number, because 23130305 - 2¹⁸ = 22868161 is a prime.

It is a super-2 number, since 2×23130305² = 1070022018786050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210221 + ... + 210330.

It is an arithmetic number, because the mean of its divisors is an integer number (3784968).

Almost surely, 2^23130305 is an apocalyptic number.

It is an amenable number.

23130305 is a deficient number, since it is larger than the sum of its proper divisors (7149439).

23130305 is a wasteful number, since it uses less digits than its factorization.

23130305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420567.

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

The square root of 23130305 is about 4809.3975714220. The cubic root of 23130305 is about 284.9227450397.

Adding to 23130305 its reverse (50303132), we get a palindrome (73433437).

The spelling of 23130305 in words is "twenty-three million, one hundred thirty thousand, three hundred five".