233103033023221 has 8 divisors (see below), whose sum is σ = 247134271080024. Its totient is φ = 219107272181760.

The previous prime is 233103033023197. The next prime is 233103033023249. The reversal of 233103033023221 is 122320330301332.

It can be written as a sum of positive squares in 4 ways, for example, as 335832999121 + 232767200024100 = 579511^2 + 15256710^2 .

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 233103033023221 - 2⁷ = 233103033023093 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 233103033023221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233103033023281) 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, 8869290300 + ... + 8869316581.

It is an arithmetic number, because the mean of its divisors is an integer number (30891783885003).

Almost surely, 2^{233103033023221} is an apocalyptic number.

It is an amenable number.

233103033023221 is a deficient number, since it is larger than the sum of its proper divisors (14031238056803).

233103033023221 is a wasteful number, since it uses less digits than its factorization.

233103033023221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17738607671.

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

Adding to 233103033023221 its reverse (122320330301332), we get a palindrome (355423363324553).

The spelling of 233103033023221 in words is "two hundred thirty-three trillion, one hundred three billion, thirty-three million, twenty-three thousand, two hundred twenty-one".