23303003310221 has 4 divisors (see below), whose sum is σ = 23312991740892. Its totient is φ = 23293014879552.

The previous prime is 23303003310211. The next prime is 23303003310347. The reversal of 23303003310221 is 12201330030332.

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 2880386008900 + 20422617301321 = 1697170^2 + 4519139^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303003310221 - 2³⁸ = 23028125403277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303003310211) 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, 4994211836 + ... + 4994216501.

It is an arithmetic number, because the mean of its divisors is an integer number (5828247935223).

Almost surely, 2^{23303003310221} is an apocalyptic number.

It is an amenable number.

23303003310221 is a deficient number, since it is larger than the sum of its proper divisors (9988430671).

23303003310221 is an equidigital number, since it uses as much as digits as its factorization.

23303003310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988430670.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23303003310221 its reverse (12201330030332), we get a palindrome (35504333340553).

The spelling of 23303003310221 in words is "twenty-three trillion, three hundred three billion, three million, three hundred ten thousand, two hundred twenty-one".