20514323 has 2 divisors, whose sum is σ = 20514324. Its totient is φ = 20514322.

The previous prime is 20514301. The next prime is 20514331. The reversal of 20514323 is 32341502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20514323 - 2⁶ = 20514259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20514295 and 20514304.

It is not a weakly prime, because it can be changed into another prime (20514383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257161 + 10257162.

It is an arithmetic number, because the mean of its divisors is an integer number (10257162).

Almost surely, 2^20514323 is an apocalyptic number.

20514323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20514323 is an equidigital number, since it uses as much as digits as its factorization.

20514323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20514323 is about 4529.2740036346. The cubic root of 20514323 is about 273.7489086228.

Adding to 20514323 its reverse (32341502), we get a palindrome (52855825).

The spelling of 20514323 in words is "twenty million, five hundred fourteen thousand, three hundred twenty-three".