22121311232323 has 8 divisors (see below), whose sum is σ = 22209783374016. Its totient is φ = 22032841785000.

The previous prime is 22121311232311. The next prime is 22121311232357. The reversal of 22121311232323 is 32323211312122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121311232323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22121311232291 and 22121311232300.

It is not an unprimeable number, because it can be changed into a prime (22121311230323) 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, 16670728 + ... + 17948698.

It is an arithmetic number, because the mean of its divisors is an integer number (2776222921752).

Almost surely, 2^{22121311232323} is an apocalyptic number.

22121311232323 is a deficient number, since it is larger than the sum of its proper divisors (88472141693).

22121311232323 is a wasteful number, since it uses less digits than its factorization.

22121311232323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347185.

The product of its digits is 5184, while the sum is 28.

Adding to 22121311232323 its reverse (32323211312122), we get a palindrome (54444522544445).

The spelling of 22121311232323 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred eleven million, two hundred thirty-two thousand, three hundred twenty-three".