153323197 has 2 divisors, whose sum is σ = 153323198. Its totient is φ = 153323196.

The previous prime is 153323171. The next prime is 153323243. The reversal of 153323197 is 791323351.

It is a happy number.

153323197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151511481 + 1811716 = 12309^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 153323197 - 2⁷ = 153323069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153323297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76661598 + 76661599.

It is an arithmetic number, because the mean of its divisors is an integer number (76661599).

Almost surely, 2^153323197 is an apocalyptic number.

It is an amenable number.

153323197 is a deficient number, since it is larger than the sum of its proper divisors (1).

153323197 is an equidigital number, since it uses as much as digits as its factorization.

153323197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 34.

The square root of 153323197 is about 12382.3744491919. The cubic root of 153323197 is about 535.2244634147.

The spelling of 153323197 in words is "one hundred fifty-three million, three hundred twenty-three thousand, one hundred ninety-seven".