2221303232123 has 8 divisors (see below), whose sum is σ = 2223946432800. Its totient is φ = 2218661558848.

The previous prime is 2221303232117. The next prime is 2221303232147. The reversal of 2221303232123 is 3212323031222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221303232123 - 2²⁸ = 2221034796667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221303232092 and 2221303232101.

It is not an unprimeable number, because it can be changed into a prime (2221303234123) 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, 2541773 + ... + 3302001.

It is an arithmetic number, because the mean of its divisors is an integer number (277993304100).

Almost surely, 2^{2221303232123} is an apocalyptic number.

2221303232123 is a deficient number, since it is larger than the sum of its proper divisors (2643200677).

2221303232123 is a wasteful number, since it uses less digits than its factorization.

2221303232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763701.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2221303232123 its reverse (3212323031222), we get a palindrome (5433626263345).

The spelling of 2221303232123 in words is "two trillion, two hundred twenty-one billion, three hundred three million, two hundred thirty-two thousand, one hundred twenty-three".