23323011330221 has 4 divisors (see below), whose sum is σ = 23424858541500. Its totient is φ = 23221164118944.

The previous prime is 23323011330181. The next prime is 23323011330253. The reversal of 23323011330221 is 12203311032332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21989018670025 + 1333992660196 = 4689245^2 + 1154986^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323011330221 - 2²² = 23323007135917 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 (23323011330721) 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, 50923605296 + ... + 50923605753.

It is an arithmetic number, because the mean of its divisors is an integer number (5856214635375).

Almost surely, 2^{23323011330221} is an apocalyptic number.

It is an amenable number.

23323011330221 is a deficient number, since it is larger than the sum of its proper divisors (101847211279).

23323011330221 is a wasteful number, since it uses less digits than its factorization.

23323011330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101847211278.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 23323011330221 its reverse (12203311032332), we get a palindrome (35526322362553).

The spelling of 23323011330221 in words is "twenty-three trillion, three hundred twenty-three billion, eleven million, three hundred thirty thousand, two hundred twenty-one".