23201267 has 2 divisors, whose sum is σ = 23201268. Its totient is φ = 23201266.

The previous prime is 23201263. The next prime is 23201291. The reversal of 23201267 is 76210232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23201267 - 2² = 23201263 is a prime.

It is not a weakly prime, because it can be changed into another prime (23201263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600633 + 11600634.

It is an arithmetic number, because the mean of its divisors is an integer number (11600634).

Almost surely, 2^23201267 is an apocalyptic number.

23201267 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201267 is an equidigital number, since it uses as much as digits as its factorization.

23201267 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 23201267 is about 4816.7693530000. The cubic root of 23201267 is about 285.2138212784.

Adding to 23201267 its reverse (76210232), we get a palindrome (99411499).

The spelling of 23201267 in words is "twenty-three million, two hundred one thousand, two hundred sixty-seven".