23130471 has 32 divisors (see below), whose sum is σ = 38241280. Its totient is φ = 12109824.

The previous prime is 23130469. The next prime is 23130473. The reversal of 23130471 is 17403132.

It is an interprime number because it is at equal distance from previous prime (23130469) and next prime (23130473).

It is not a de Polignac number, because 23130471 - 2¹ = 23130469 is a prime.

It is a super-3 number, since 3×23130471³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52470 + ... + 52908.

It is an arithmetic number, because the mean of its divisors is an integer number (1195040).

Almost surely, 2^23130471 is an apocalyptic number.

23130471 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23130471 is a deficient number, since it is larger than the sum of its proper divisors (15110809).

23130471 is a wasteful number, since it uses less digits than its factorization.

23130471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 23130471 is about 4809.4148292698. The cubic root of 23130471 is about 284.9234266428.

The spelling of 23130471 in words is "twenty-three million, one hundred thirty thousand, four hundred seventy-one".