21332230023 has 8 divisors (see below), whose sum is σ = 30630894448. Its totient is φ = 13127526144.

The previous prime is 21332230019. The next prime is 21332230063. The reversal of 21332230023 is 32003223312.

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

It is not a de Polignac number, because 21332230023 - 2² = 21332230019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332230063) 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, 273490090 + ... + 273490167.

It is an arithmetic number, because the mean of its divisors is an integer number (3828861806).

Almost surely, 2^21332230023 is an apocalyptic number.

21332230023 is a deficient number, since it is larger than the sum of its proper divisors (9298664425).

21332230023 is a wasteful number, since it uses less digits than its factorization.

21332230023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546980273.

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

Adding to 21332230023 its reverse (32003223312), we get a palindrome (53335453335).

The spelling of 21332230023 in words is "twenty-one billion, three hundred thirty-two million, two hundred thirty thousand, twenty-three".