20010323 has 2 divisors, whose sum is σ = 20010324. Its totient is φ = 20010322.

The previous prime is 20010313. The next prime is 20010349. The reversal of 20010323 is 32301002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010323 - 2⁴ = 20010307 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005161 + 10005162.

It is an arithmetic number, because the mean of its divisors is an integer number (10005162).

Almost surely, 2^20010323 is an apocalyptic number.

20010323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010323 is an equidigital number, since it uses as much as digits as its factorization.

20010323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20010323 is about 4473.2899525964. The cubic root of 20010323 is about 271.4884551819.

Adding to 20010323 its reverse (32301002), we get a palindrome (52311325).

The spelling of 20010323 in words is "twenty million, ten thousand, three hundred twenty-three".