233040252021 has 4 divisors (see below), whose sum is σ = 310720336032. Its totient is φ = 155360168012.

The previous prime is 233040252019. The next prime is 233040252077. The reversal of 233040252021 is 120252040332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233040252021 - 2¹ = 233040252019 is a prime.

It is a super-2 number, since 2×233040252021² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 233040251982 and 233040252000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233040252001) 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, 38840042001 + ... + 38840042006.

It is an arithmetic number, because the mean of its divisors is an integer number (77680084008).

Almost surely, 2^233040252021 is an apocalyptic number.

It is an amenable number.

233040252021 is a deficient number, since it is larger than the sum of its proper divisors (77680084011).

233040252021 is an equidigital number, since it uses as much as digits as its factorization.

233040252021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77680084010.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 233040252021 its reverse (120252040332), we get a palindrome (353292292353).

The spelling of 233040252021 in words is "two hundred thirty-three billion, forty million, two hundred fifty-two thousand, twenty-one".