20214323 has 2 divisors, whose sum is σ = 20214324. Its totient is φ = 20214322.

The previous prime is 20214319. The next prime is 20214329. The reversal of 20214323 is 32341202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20214323 - 2² = 20214319 is a prime.

It is not a weakly prime, because it can be changed into another prime (20214329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107161 + 10107162.

It is an arithmetic number, because the mean of its divisors is an integer number (10107162).

Almost surely, 2^20214323 is an apocalyptic number.

20214323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20214323 is an equidigital number, since it uses as much as digits as its factorization.

20214323 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 20214323 is about 4496.0341413294. The cubic root of 20214323 is about 272.4079222052.

Adding to 20214323 its reverse (32341202), we get a palindrome (52555525).

The spelling of 20214323 in words is "twenty million, two hundred fourteen thousand, three hundred twenty-three".