20303233223 has 16 divisors (see below), whose sum is σ = 25412136960. Its totient is φ = 15791819616.

The previous prime is 20303233193. The next prime is 20303233231. The reversal of 20303233223 is 32233230302.

It is a cyclic number.

It is not a de Polignac number, because 20303233223 - 2²² = 20299038919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303233243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1885415 + ... + 1896152.

It is an arithmetic number, because the mean of its divisors is an integer number (1588258560).

Almost surely, 2^20303233223 is an apocalyptic number.

20303233223 is a deficient number, since it is larger than the sum of its proper divisors (5108903737).

20303233223 is a wasteful number, since it uses less digits than its factorization.

20303233223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781646.

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 20303233223 its reverse (32233230302), we get a palindrome (52536463525).

The spelling of 20303233223 in words is "twenty billion, three hundred three million, two hundred thirty-three thousand, two hundred twenty-three".