23121302222 has 8 divisors (see below), whose sum is σ = 34988873616. Its totient is φ = 11458344352.

The previous prime is 23121302219. The next prime is 23121302231. The reversal of 23121302222 is 22220312132.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 23121302194 and 23121302203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51153098 + ... + 51153549.

It is an arithmetic number, because the mean of its divisors is an integer number (4373609202).

Almost surely, 2^23121302222 is an apocalyptic number.

23121302222 is a deficient number, since it is larger than the sum of its proper divisors (11867571394).

23121302222 is a wasteful number, since it uses less digits than its factorization.

23121302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102306762.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23121302222 its reverse (22220312132), we get a palindrome (45341614354).

The spelling of 23121302222 in words is "twenty-three billion, one hundred twenty-one million, three hundred two thousand, two hundred twenty-two".