20593123 has 2 divisors, whose sum is σ = 20593124. Its totient is φ = 20593122.

The previous prime is 20593121. The next prime is 20593129. The reversal of 20593123 is 32139502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20593123 - 2¹ = 20593121 is a prime.

Together with 20593121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20593121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10296561 + 10296562.

It is an arithmetic number, because the mean of its divisors is an integer number (10296562).

Almost surely, 2^20593123 is an apocalyptic number.

20593123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20593123 is an equidigital number, since it uses as much as digits as its factorization.

20593123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 20593123 is about 4537.9646318586. The cubic root of 20593123 is about 274.0989705871.

The spelling of 20593123 in words is "twenty million, five hundred ninety-three thousand, one hundred twenty-three".