164202523 has 2 divisors, whose sum is σ = 164202524. Its totient is φ = 164202522.

The previous prime is 164202421. The next prime is 164202569. The reversal of 164202523 is 325202461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164202523 - 2⁹ = 164202011 is a prime.

It is not a weakly prime, because it can be changed into another prime (164202593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82101261 + 82101262.

It is an arithmetic number, because the mean of its divisors is an integer number (82101262).

Almost surely, 2^164202523 is an apocalyptic number.

164202523 is a deficient number, since it is larger than the sum of its proper divisors (1).

164202523 is an equidigital number, since it uses as much as digits as its factorization.

164202523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 164202523 is about 12814.1532299251. The cubic root of 164202523 is about 547.5955900178.

Adding to 164202523 its reverse (325202461), we get a palindrome (489404984).

The spelling of 164202523 in words is "one hundred sixty-four million, two hundred two thousand, five hundred twenty-three".