20233312303 has 4 divisors (see below), whose sum is σ = 20234687040. Its totient is φ = 20231937568.

The previous prime is 20233312279. The next prime is 20233312327. The reversal of 20233312303 is 30321333202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30321333202 = 2 ⋅15160666601.

It is an interprime number because it is at equal distance from previous prime (20233312279) and next prime (20233312327).

It is a cyclic number.

It is not a de Polignac number, because 20233312303 - 2¹⁷ = 20233181231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233312403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665050 + ... + 694807.

It is an arithmetic number, because the mean of its divisors is an integer number (5058671760).

Almost surely, 2^20233312303 is an apocalyptic number.

20233312303 is a deficient number, since it is larger than the sum of its proper divisors (1374737).

20233312303 is a wasteful number, since it uses less digits than its factorization.

20233312303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374736.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20233312303 its reverse (30321333202), we get a palindrome (50554645505).

The spelling of 20233312303 in words is "twenty billion, two hundred thirty-three million, three hundred twelve thousand, three hundred three".