23029217 has 2 divisors, whose sum is σ = 23029218. Its totient is φ = 23029216.

The previous prime is 23029213. The next prime is 23029261. The reversal of 23029217 is 71292032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21864976 + 1164241 = 4676^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 23029217 - 2² = 23029213 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23029213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11514608 + 11514609.

It is an arithmetic number, because the mean of its divisors is an integer number (11514609).

Almost surely, 2^23029217 is an apocalyptic number.

It is an amenable number.

23029217 is a deficient number, since it is larger than the sum of its proper divisors (1).

23029217 is an equidigital number, since it uses as much as digits as its factorization.

23029217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23029217 is about 4798.8766393813. The cubic root of 23029217 is about 284.5070662511.

The spelling of 23029217 in words is "twenty-three million, twenty-nine thousand, two hundred seventeen".