20327123 has 2 divisors, whose sum is σ = 20327124. Its totient is φ = 20327122.

The previous prime is 20327117. The next prime is 20327129. The reversal of 20327123 is 32172302.

It is a balanced prime because it is at equal distance from previous prime (20327117) and next prime (20327129).

It is a cyclic number.

It is not a de Polignac number, because 20327123 - 2¹⁰ = 20326099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20327095 and 20327104.

It is not a weakly prime, because it can be changed into another prime (20327129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10163561 + 10163562.

It is an arithmetic number, because the mean of its divisors is an integer number (10163562).

Almost surely, 2^20327123 is an apocalyptic number.

20327123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20327123 is an equidigital number, since it uses as much as digits as its factorization.

20327123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20327123 is about 4508.5610786591. The cubic root of 20327123 is about 272.9136796778.

Adding to 20327123 its reverse (32172302), we get a palindrome (52499425).

The spelling of 20327123 in words is "twenty million, three hundred twenty-seven thousand, one hundred twenty-three".