23222121302321 has 4 divisors (see below), whose sum is σ = 24231778750272. Its totient is φ = 22212463854372.

The previous prime is 23222121302309. The next prime is 23222121302339. The reversal of 23222121302321 is 12320312122232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23222121302321 - 2³⁴ = 23204941433137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23222121322321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504828723941 + ... + 504828723986.

It is an arithmetic number, because the mean of its divisors is an integer number (6057944687568).

Almost surely, 2^{23222121302321} is an apocalyptic number.

It is an amenable number.

23222121302321 is a deficient number, since it is larger than the sum of its proper divisors (1009657447951).

23222121302321 is a wasteful number, since it uses less digits than its factorization.

23222121302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009657447950.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23222121302321 its reverse (12320312122232), we get a palindrome (35542433424553).

The spelling of 23222121302321 in words is "twenty-three trillion, two hundred twenty-two billion, one hundred twenty-one million, three hundred two thousand, three hundred twenty-one".