20324123 has 2 divisors, whose sum is σ = 20324124. Its totient is φ = 20324122.

The previous prime is 20324113. The next prime is 20324131. The reversal of 20324123 is 32142302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20324123 - 2¹⁶ = 20258587 is a prime.

It is not a weakly prime, because it can be changed into another prime (20324113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10162061 + 10162062.

It is an arithmetic number, because the mean of its divisors is an integer number (10162062).

Almost surely, 2^20324123 is an apocalyptic number.

20324123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20324123 is an equidigital number, since it uses as much as digits as its factorization.

20324123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20324123 is about 4508.2283659992. The cubic root of 20324123 is about 272.9002529323.

Adding to 20324123 its reverse (32142302), we get a palindrome (52466425).

The spelling of 20324123 in words is "twenty million, three hundred twenty-four thousand, one hundred twenty-three".