32323100021 has 2 divisors, whose sum is σ = 32323100022. Its totient is φ = 32323100020.

The previous prime is 32323100009. The next prime is 32323100077. The reversal of 32323100021 is 12000132323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27248104900 + 5074995121 = 165070^2 + 71239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32323100021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32323100081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16161550010 + 16161550011.

It is an arithmetic number, because the mean of its divisors is an integer number (16161550011).

Almost surely, 2^32323100021 is an apocalyptic number.

It is an amenable number.

32323100021 is a deficient number, since it is larger than the sum of its proper divisors (1).

32323100021 is an equidigital number, since it uses as much as digits as its factorization.

32323100021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32323100021 its reverse (12000132323), we get a palindrome (44323232344).

The spelling of 32323100021 in words is "thirty-two billion, three hundred twenty-three million, one hundred thousand, twenty-one".