233023222303021 has 4 divisors (see below), whose sum is σ = 233023360268412. Its totient is φ = 233023084337632.

The previous prime is 233023222302977. The next prime is 233023222303061. The reversal of 233023222303021 is 120303222320332.

It is a happy number.

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 35864695373796 + 197158526929225 = 5988714^2 + 14041315^2 .

It is a cyclic number.

It is not a de Polignac number, because 233023222303021 - 2⁴³ = 224227129280813 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 (233023222303061) 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, 66417400 + ... + 69837793.

It is an arithmetic number, because the mean of its divisors is an integer number (58255840067103).

Almost surely, 2^{233023222303021} is an apocalyptic number.

It is an amenable number.

233023222303021 is a deficient number, since it is larger than the sum of its proper divisors (137965391).

233023222303021 is a wasteful number, since it uses less digits than its factorization.

233023222303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137965390.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 233023222303021 its reverse (120303222320332), we get a palindrome (353326444623353).

The spelling of 233023222303021 in words is "two hundred thirty-three trillion, twenty-three billion, two hundred twenty-two million, three hundred three thousand, twenty-one".