23030947 has 2 divisors, whose sum is σ = 23030948. Its totient is φ = 23030946.

The previous prime is 23030941. The next prime is 23030957. The reversal of 23030947 is 74903032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23030947 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_1450099 and since 23030947 and 1450099 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23030941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11515473 + 11515474.

It is an arithmetic number, because the mean of its divisors is an integer number (11515474).

Almost surely, 2^23030947 is an apocalyptic number.

23030947 is a deficient number, since it is larger than the sum of its proper divisors (1).

23030947 is an equidigital number, since it uses as much as digits as its factorization.

23030947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23030947 is about 4799.0568865143. The cubic root of 23030947 is about 284.5141903158.

Adding to 23030947 its reverse (74903032), we get a palindrome (97933979).

The spelling of 23030947 in words is "twenty-three million, thirty thousand, nine hundred forty-seven".