23153197 has 2 divisors, whose sum is σ = 23153198. Its totient is φ = 23153196.

The previous prime is 23153189. The next prime is 23153293. The reversal of 23153197 is 79135132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13734436 + 9418761 = 3706^2 + 3069^2 .

It is a cyclic number.

It is not a de Polignac number, because 23153197 - 2³ = 23153189 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 (23153297) 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, 11576598 + 11576599.

It is an arithmetic number, because the mean of its divisors is an integer number (11576599).

Almost surely, 2^23153197 is an apocalyptic number.

It is an amenable number.

23153197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23153197 is an equidigital number, since it uses as much as digits as its factorization.

23153197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 23153197 is about 4811.7769067154. The cubic root of 23153197 is about 285.0167098031.

The spelling of 23153197 in words is "twenty-three million, one hundred fifty-three thousand, one hundred ninety-seven".