23152223 has 2 divisors, whose sum is σ = 23152224. Its totient is φ = 23152222.

The previous prime is 23152219. The next prime is 23152243. The reversal of 23152223 is 32225132.

It is an a-pointer prime, because the next prime (23152243) can be obtained adding 23152223 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23152223 - 2² = 23152219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23152195 and 23152204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23152243) 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, 11576111 + 11576112.

It is an arithmetic number, because the mean of its divisors is an integer number (11576112).

Almost surely, 2^23152223 is an apocalyptic number.

23152223 is a deficient number, since it is larger than the sum of its proper divisors (1).

23152223 is an equidigital number, since it uses as much as digits as its factorization.

23152223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 20.

The square root of 23152223 is about 4811.6756956387. The cubic root of 23152223 is about 285.0127130884.

Adding to 23152223 its reverse (32225132), we get a palindrome (55377355).

The spelling of 23152223 in words is "twenty-three million, one hundred fifty-two thousand, two hundred twenty-three".