20031232323 has 8 divisors (see below), whose sum is σ = 26708965200. Its totient is φ = 13353827168.

The previous prime is 20031232307. The next prime is 20031232369. The reversal of 20031232323 is 32323213002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20031232323 - 2⁴ = 20031232307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20031232323.

It is not an unprimeable number, because it can be changed into a prime (20031232373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184033 + ... + 271901.

It is an arithmetic number, because the mean of its divisors is an integer number (3338620650).

Almost surely, 2^20031232323 is an apocalyptic number.

20031232323 is a deficient number, since it is larger than the sum of its proper divisors (6677732877).

20031232323 is an equidigital number, since it uses as much as digits as its factorization.

20031232323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163861.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20031232323 its reverse (32323213002), we get a palindrome (52354445325).

The spelling of 20031232323 in words is "twenty billion, thirty-one million, two hundred thirty-two thousand, three hundred twenty-three".