20010223232303 has 2 divisors, whose sum is σ = 20010223232304. Its totient is φ = 20010223232302.

The previous prime is 20010223232299. The next prime is 20010223232449. The reversal of 20010223232303 is 30323232201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010223232303 - 2² = 20010223232299 is a prime.

It is a super-2 number, since 2×20010223232303² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010223232203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005111616151 + 10005111616152.

It is an arithmetic number, because the mean of its divisors is an integer number (10005111616152).

Almost surely, 2^{20010223232303} is an apocalyptic number.

20010223232303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010223232303 is an equidigital number, since it uses as much as digits as its factorization.

20010223232303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20010223232303 its reverse (30323232201002), we get a palindrome (50333455433305).

It can be divided in two parts, 2001022 and 3232303, that added together give a palindrome (5233325).

The spelling of 20010223232303 in words is "twenty trillion, ten billion, two hundred twenty-three million, two hundred thirty-two thousand, three hundred three".