23233303301221 has 8 divisors (see below), whose sum is σ = 25020535158360. Its totient is φ = 21446079255552.

The previous prime is 23233303301167. The next prime is 23233303301267. The reversal of 23233303301221 is 12210330333232.

It can be written as a sum of positive squares in 4 ways, for example, as 12099169164996 + 11134134136225 = 3478386^2 + 3336785^2 .

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 23233303301221 - 2¹³ = 23233303293029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23233303301221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23233303301821) 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, 5192865 + ... + 8569273.

It is an arithmetic number, because the mean of its divisors is an integer number (3127566894795).

Almost surely, 2^{23233303301221} is an apocalyptic number.

It is an amenable number.

23233303301221 is a deficient number, since it is larger than the sum of its proper divisors (1787231857139).

23233303301221 is a wasteful number, since it uses less digits than its factorization.

23233303301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905735.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 23233303301221 its reverse (12210330333232), we get a palindrome (35443633634453).

The spelling of 23233303301221 in words is "twenty-three trillion, two hundred thirty-three billion, three hundred three million, three hundred one thousand, two hundred twenty-one".