23130791 has 2 divisors, whose sum is σ = 23130792. Its totient is φ = 23130790.

The previous prime is 23130769. The next prime is 23130797. The reversal of 23130791 is 19703132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23130791 - 2¹⁰ = 23129767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23130791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23130797) 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 as a sum of consecutive naturals, namely, 11565395 + 11565396.

It is an arithmetic number, because the mean of its divisors is an integer number (11565396).

Almost surely, 2^23130791 is an apocalyptic number.

23130791 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130791 is an equidigital number, since it uses as much as digits as its factorization.

23130791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 23130791 is about 4809.4480972353. The cubic root of 23130791 is about 284.9247405672.

The spelling of 23130791 in words is "twenty-three million, one hundred thirty thousand, seven hundred ninety-one".