232220123021 has 4 divisors (see below), whose sum is σ = 240227713500. Its totient is φ = 224212532544.

The previous prime is 232220122987. The next prime is 232220123027. The reversal of 232220123021 is 120321022232.

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 69479688100 + 162740434921 = 263590^2 + 403411^2 .

It is a cyclic number.

It is not a de Polignac number, because 232220123021 - 2⁶ = 232220122957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232220122984 and 232220123002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232220123027) 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, 4003795196 + ... + 4003795253.

It is an arithmetic number, because the mean of its divisors is an integer number (60056928375).

Almost surely, 2^232220123021 is an apocalyptic number.

It is an amenable number.

232220123021 is a deficient number, since it is larger than the sum of its proper divisors (8007590479).

232220123021 is an equidigital number, since it uses as much as digits as its factorization.

232220123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8007590478.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 232220123021 its reverse (120321022232), we get a palindrome (352541145253).

The spelling of 232220123021 in words is "two hundred thirty-two billion, two hundred twenty million, one hundred twenty-three thousand, twenty-one".