22311421323 has 8 divisors (see below), whose sum is σ = 30037383168. Its totient is φ = 14729870184.

The previous prime is 22311421313. The next prime is 22311421361. The reversal of 22311421323 is 32312411322.

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

It is not a de Polignac number, because 22311421323 - 2⁶ = 22311421259 is a prime.

It is a super-3 number, since 3×22311421323³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22311421293 and 22311421302.

It is not an unprimeable number, because it can be changed into a prime (22311421313) 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, 36102315 + ... + 36102932.

It is an arithmetic number, because the mean of its divisors is an integer number (3754672896).

Almost surely, 2^22311421323 is an apocalyptic number.

22311421323 is a deficient number, since it is larger than the sum of its proper divisors (7725961845).

22311421323 is a wasteful number, since it uses less digits than its factorization.

22311421323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72205353.

The product of its digits is 1728, while the sum is 24.

Adding to 22311421323 its reverse (32312411322), we get a palindrome (54623832645).

The spelling of 22311421323 in words is "twenty-two billion, three hundred eleven million, four hundred twenty-one thousand, three hundred twenty-three".