23130073 has 2 divisors, whose sum is σ = 23130074. Its totient is φ = 23130072.

The previous prime is 23130071. The next prime is 23130077. The reversal of 23130073 is 37003132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18429849 + 4700224 = 4293^2 + 2168^2 .

It is a cyclic number.

It is not a de Polignac number, because 23130073 - 2¹ = 23130071 is a prime.

Together with 23130071, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23130073.

It is not a weakly prime, because it can be changed into another prime (23130071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11565036 + 11565037.

It is an arithmetic number, because the mean of its divisors is an integer number (11565037).

Almost surely, 2^23130073 is an apocalyptic number.

It is an amenable number.

23130073 is a deficient number, since it is larger than the sum of its proper divisors (1).

23130073 is an equidigital number, since it uses as much as digits as its factorization.

23130073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 23130073 is about 4809.3734519166. The cubic root of 23130073 is about 284.9217924323.

The spelling of 23130073 in words is "twenty-three million, one hundred thirty thousand, seventy-three".