21332323422123 has 96 divisors (see below), whose sum is σ = 35614800658944. Its totient is φ = 11294778958848.

The previous prime is 21332323422119. The next prime is 21332323422149. The reversal of 21332323422123 is 32122432323312.

It is not a de Polignac number, because 21332323422123 - 2² = 21332323422119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21332323422173) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28021411 + ... + 28772627.

It is an arithmetic number, because the mean of its divisors is an integer number (370987506864).

Almost surely, 2^{21332323422123} is an apocalyptic number.

21332323422123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21332323422123 is a deficient number, since it is larger than the sum of its proper divisors (14282477236821).

21332323422123 is a wasteful number, since it uses less digits than its factorization.

21332323422123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751521 (or 751514 counting only the distinct ones).

The product of its digits is 62208, while the sum is 33.

Adding to 21332323422123 its reverse (32122432323312), we get a palindrome (53454755745435).

The spelling of 21332323422123 in words is "twenty-one trillion, three hundred thirty-two billion, three hundred twenty-three million, four hundred twenty-two thousand, one hundred twenty-three".