233232013021 has 4 divisors (see below), whose sum is σ = 266550872032. Its totient is φ = 199913154012.

The previous prime is 233232013019. The next prime is 233232013037. The reversal of 233232013021 is 120310232332.

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 233232013021 - 2¹ = 233232013019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233232012983 and 233232013001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233232013121) 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, 16659429495 + ... + 16659429508.

It is an arithmetic number, because the mean of its divisors is an integer number (66637718008).

Almost surely, 2^233232013021 is an apocalyptic number.

It is an amenable number.

233232013021 is a deficient number, since it is larger than the sum of its proper divisors (33318859011).

233232013021 is an equidigital number, since it uses as much as digits as its factorization.

233232013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33318859010.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 233232013021 its reverse (120310232332), we get a palindrome (353542245353).

The spelling of 233232013021 in words is "two hundred thirty-three billion, two hundred thirty-two million, thirteen thousand, twenty-one".