21332312023 has 8 divisors (see below), whose sum is σ = 23321450880. Its totient is φ = 19351479480.

The previous prime is 21332312003. The next prime is 21332312033. The reversal of 21332312023 is 32021323312.

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 21332312023 - 2¹³ = 21332303831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21332311985 and 21332312003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332312003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071203 + ... + 2081476.

It is an arithmetic number, because the mean of its divisors is an integer number (2915181360).

Almost surely, 2^21332312023 is an apocalyptic number.

21332312023 is a deficient number, since it is larger than the sum of its proper divisors (1989138857).

21332312023 is a wasteful number, since it uses less digits than its factorization.

21332312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153157.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21332312023 its reverse (32021323312), we get a palindrome (53353635335).

The spelling of 21332312023 in words is "twenty-one billion, three hundred thirty-two million, three hundred twelve thousand, twenty-three".