23152219 has 2 divisors, whose sum is σ = 23152220. Its totient is φ = 23152218.

The previous prime is 23152201. The next prime is 23152223. The reversal of 23152219 is 91225132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23152219 - 2⁹ = 23151707 is a prime.

It is a super-2 number, since 2×23152219² = 1072050489247922, which contains 22 as substring.

It is equal to p_1457206 and since 23152219 and 1457206 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23152193 and 23152202.

It is not a weakly prime, because it can be changed into another prime (23152289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576109 + 11576110.

It is an arithmetic number, because the mean of its divisors is an integer number (11576110).

Almost surely, 2^23152219 is an apocalyptic number.

23152219 is a deficient number, since it is larger than the sum of its proper divisors (1).

23152219 is an equidigital number, since it uses as much as digits as its factorization.

23152219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 23152219 is about 4811.6752799831. The cubic root of 23152219 is about 285.0126966745.

The spelling of 23152219 in words is "twenty-three million, one hundred fifty-two thousand, two hundred nineteen".