32123220109 has 2 divisors, whose sum is σ = 32123220110. Its totient is φ = 32123220108.

The previous prime is 32123220091. The next prime is 32123220119. The reversal of 32123220109 is 90102232123.

Together with previous prime (32123220091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31468986025 + 654234084 = 177395^2 + 25578^2 .

It is a cyclic number.

It is not a de Polignac number, because 32123220109 - 2⁷ = 32123219981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32123220119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16061610054 + 16061610055.

It is an arithmetic number, because the mean of its divisors is an integer number (16061610055).

Almost surely, 2^32123220109 is an apocalyptic number.

It is an amenable number.

32123220109 is a deficient number, since it is larger than the sum of its proper divisors (1).

32123220109 is an equidigital number, since it uses as much as digits as its factorization.

32123220109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 32123220109 in words is "thirty-two billion, one hundred twenty-three million, two hundred twenty thousand, one hundred nine".