23202197 has 2 divisors, whose sum is σ = 23202198. Its totient is φ = 23202196.

The previous prime is 23202169. The next prime is 23202203. The reversal of 23202197 is 79120232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22033636 + 1168561 = 4694^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 23202197 - 2⁶ = 23202133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23202397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601098 + 11601099.

It is an arithmetic number, because the mean of its divisors is an integer number (11601099).

Almost surely, 2^23202197 is an apocalyptic number.

It is an amenable number.

23202197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23202197 is an equidigital number, since it uses as much as digits as its factorization.

23202197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 23202197 is about 4816.8658897669. The cubic root of 23202197 is about 285.2176320661.

The spelling of 23202197 in words is "twenty-three million, two hundred two thousand, one hundred ninety-seven".