11923217 has 2 divisors, whose sum is σ = 11923218. Its totient is φ = 11923216.

The previous prime is 11923211. The next prime is 11923231. The reversal of 11923217 is 71232911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 2163841 = 3124^2 + 1471^2 .

It is a cyclic number.

It is not a de Polignac number, because 11923217 - 2⁴ = 11923201 is a prime.

It is not a weakly prime, because it can be changed into another prime (11923211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5961608 + 5961609.

It is an arithmetic number, because the mean of its divisors is an integer number (5961609).

Almost surely, 2^11923217 is an apocalyptic number.

It is an amenable number.

11923217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11923217 is an equidigital number, since it uses as much as digits as its factorization.

11923217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 26.

The square root of 11923217 is about 3453.0011584128. The cubic root of 11923217 is about 228.4535000112.

The spelling of 11923217 in words is "eleven million, nine hundred twenty-three thousand, two hundred seventeen".