23130643 has 2 divisors, whose sum is σ = 23130644. Its totient is φ = 23130642.

The previous prime is 23130623. The next prime is 23130649. The reversal of 23130643 is 34603132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23130643 - 2⁹ = 23130131 is a prime.

It is not a weakly prime, because it can be changed into another prime (23130649) by changing a digit.

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 as a sum of consecutive naturals, namely, 11565321 + 11565322.

It is an arithmetic number, because the mean of its divisors is an integer number (11565322).

Almost surely, 2^23130643 is an apocalyptic number.

23130643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130643 is an equidigital number, since it uses as much as digits as its factorization.

23130643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 23130643 is about 4809.4327108298. The cubic root of 23130643 is about 284.9241328787.

Adding to 23130643 its reverse (34603132), we get a palindrome (57733775).

The spelling of 23130643 in words is "twenty-three million, one hundred thirty thousand, six hundred forty-three".