23023120302221 has 8 divisors (see below), whose sum is σ = 25049739140664. Its totient is φ = 21033017118720.

The previous prime is 23023120302179. The next prime is 23023120302227. The reversal of 23023120302221 is 12220302132032.

It can be written as a sum of positive squares in 4 ways, for example, as 1600237650025 + 21422882652196 = 1265005^2 + 4628486^2 .

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 23023120302221 - 2⁴² = 18625073791117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023120302227) 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, 9128912420 + ... + 9128914941.

It is an arithmetic number, because the mean of its divisors is an integer number (3131217392583).

Almost surely, 2^{23023120302221} is an apocalyptic number.

It is an amenable number.

23023120302221 is a deficient number, since it is larger than the sum of its proper divisors (2026618838443).

23023120302221 is a wasteful number, since it uses less digits than its factorization.

23023120302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18257827471.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23023120302221 its reverse (12220302132032), we get a palindrome (35243422434253).

The spelling of 23023120302221 in words is "twenty-three trillion, twenty-three billion, one hundred twenty million, three hundred two thousand, two hundred twenty-one".