21232332233123 has 32 divisors (see below), whose sum is σ = 24236177080320. Its totient is φ = 18412062739840.

The previous prime is 21232332233083. The next prime is 21232332233213. The reversal of 21232332233123 is 32133223323212.

It is not a de Polignac number, because 21232332233123 - 2¹⁰ = 21232332232099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21232332233123.

It is not an unprimeable number, because it can be changed into a prime (21232337233123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1026053165 + ... + 1026073857.

It is an arithmetic number, because the mean of its divisors is an integer number (757380533760).

Almost surely, 2^{21232332233123} is an apocalyptic number.

21232332233123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21232332233123 is a deficient number, since it is larger than the sum of its proper divisors (3003844847197).

21232332233123 is a wasteful number, since it uses less digits than its factorization.

21232332233123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31699.

The product of its digits is 46656, while the sum is 32.

Adding to 21232332233123 its reverse (32133223323212), we get a palindrome (53365555556335).

The spelling of 21232332233123 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty-two million, two hundred thirty-three thousand, one hundred twenty-three".