3023233331221 has 4 divisors (see below), whose sum is σ = 3023472580492. Its totient is φ = 3022994081952.

The previous prime is 3023233331213. The next prime is 3023233331233. The reversal of 3023233331221 is 1221333323203.

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 1358655996996 + 1664577334225 = 1165614^2 + 1290185^2 .

It is a cyclic number.

It is not a de Polignac number, because 3023233331221 - 2³ = 3023233331213 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 3023233331221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023233337221) 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, 119605680 + ... + 119630953.

It is an arithmetic number, because the mean of its divisors is an integer number (755868145123).

Almost surely, 2^{3023233331221} is an apocalyptic number.

It is an amenable number.

3023233331221 is a deficient number, since it is larger than the sum of its proper divisors (239249271).

3023233331221 is a wasteful number, since it uses less digits than its factorization.

3023233331221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239249270.

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

Adding to 3023233331221 its reverse (1221333323203), we get a palindrome (4244566654424).

The spelling of 3023233331221 in words is "three trillion, twenty-three billion, two hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-one".