129324523 has 2 divisors, whose sum is σ = 129324524. Its totient is φ = 129324522.

The previous prime is 129324497. The next prime is 129324527. The reversal of 129324523 is 325423921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129324523 - 2¹⁷ = 129193451 is a prime.

It is not a weakly prime, because it can be changed into another prime (129324527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64662261 + 64662262.

It is an arithmetic number, because the mean of its divisors is an integer number (64662262).

Almost surely, 2^129324523 is an apocalyptic number.

129324523 is a deficient number, since it is larger than the sum of its proper divisors (1).

129324523 is an equidigital number, since it uses as much as digits as its factorization.

129324523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

The square root of 129324523 is about 11372.0940463927. The cubic root of 129324523 is about 505.7007857248.

The spelling of 129324523 in words is "one hundred twenty-nine million, three hundred twenty-four thousand, five hundred twenty-three".