232023300021 has 36 divisors (see below), whose sum is σ = 368295466500. Its totient is φ = 140563089408.

The previous prime is 232023300001. The next prime is 232023300049. The reversal of 232023300021 is 120003320232.

It is a happy number.

232023300021 is a `hidden beast` number, since 2 + 320 + 23 + 300 + 0 + 21 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 54014408100 + 178008891921 = 232410^2 + 421911^2 .

It is not a de Polignac number, because 232023300021 - 2¹⁴ = 232023283637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232023299967 and 232023300003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232023300001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1462596 + ... + 1613453.

It is an arithmetic number, because the mean of its divisors is an integer number (10230429625).

Almost surely, 2^232023300021 is an apocalyptic number.

It is an amenable number.

232023300021 is a deficient number, since it is larger than the sum of its proper divisors (136272166479).

232023300021 is a wasteful number, since it uses less digits than its factorization.

232023300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076118 (or 3076098 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 232023300021 its reverse (120003320232), we get a palindrome (352026620253).

The spelling of 232023300021 in words is "two hundred thirty-two billion, twenty-three million, three hundred thousand, twenty-one".