20223323121 has 8 divisors (see below), whose sum is σ = 27129857440. Its totient is φ = 13399502112.

The previous prime is 20223323119. The next prime is 20223323123. The reversal of 20223323121 is 12132332202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20223323119) and next prime (20223323123).

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

It is not a de Polignac number, because 20223323121 - 2¹ = 20223323119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223323123) 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, 20677756 + ... + 20678733.

It is an arithmetic number, because the mean of its divisors is an integer number (3391232180).

Almost surely, 2^20223323121 is an apocalyptic number.

It is an amenable number.

20223323121 is a deficient number, since it is larger than the sum of its proper divisors (6906534319).

20223323121 is a wasteful number, since it uses less digits than its factorization.

20223323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41356655.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20223323121 its reverse (12132332202), we get a palindrome (32355655323).

The spelling of 20223323121 in words is "twenty billion, two hundred twenty-three million, three hundred twenty-three thousand, one hundred twenty-one".