23240197 has 2 divisors, whose sum is σ = 23240198. Its totient is φ = 23240196.

The previous prime is 23240183. The next prime is 23240213. The reversal of 23240197 is 79104232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21473956 + 1766241 = 4634^2 + 1329^2 .

It is a cyclic number.

It is not a de Polignac number, because 23240197 - 2¹⁹ = 22715909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23240117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620098 + 11620099.

It is an arithmetic number, because the mean of its divisors is an integer number (11620099).

Almost surely, 2^23240197 is an apocalyptic number.

It is an amenable number.

23240197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240197 is an equidigital number, since it uses as much as digits as its factorization.

23240197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 23240197 is about 4820.8087495772. The cubic root of 23240197 is about 285.3732546639.

The spelling of 23240197 in words is "twenty-three million, two hundred forty thousand, one hundred ninety-seven".