21322220230323 has 12 divisors (see below), whose sum is σ = 30799007570448. Its totient is φ = 14214700402800.

The previous prime is 21322220230313. The next prime is 21322220230343. The reversal of 21322220230323 is 32303202222312.

21322220230323 is a `hidden beast` number, since 2 + 132 + 2 + 2 + 202 + 3 + 0 + 323 = 666.

It is not a de Polignac number, because 21322220230323 - 2²⁵ = 21322186675891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21322220230303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8221440 + ... + 10499357.

It is an arithmetic number, because the mean of its divisors is an integer number (2566583964204).

Almost surely, 2^{21322220230323} is an apocalyptic number.

21322220230323 is a deficient number, since it is larger than the sum of its proper divisors (9476787340125).

21322220230323 is a wasteful number, since it uses less digits than its factorization.

21322220230323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18847354 (or 18847351 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 21322220230323 its reverse (32303202222312), we get a palindrome (53625422452635).

The spelling of 21322220230323 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred twenty million, two hundred thirty thousand, three hundred twenty-three".