32123030321 has 4 divisors (see below), whose sum is σ = 32197217892. Its totient is φ = 32048842752.

The previous prime is 32123030311. The next prime is 32123030327. The reversal of 32123030321 is 12303032123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12303032123 = 29 ⋅424242487.

It can be written as a sum of positive squares in 2 ways, for example, as 12047257600 + 20075772721 = 109760^2 + 141689^2 .

It is a cyclic number.

It is not a de Polignac number, because 32123030321 - 2³⁰ = 31049288497 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32123030293 and 32123030302.

It is not an unprimeable number, because it can be changed into a prime (32123030327) 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, 37093136 + ... + 37094001.

It is an arithmetic number, because the mean of its divisors is an integer number (8049304473).

Almost surely, 2^32123030321 is an apocalyptic number.

It is an amenable number.

32123030321 is a deficient number, since it is larger than the sum of its proper divisors (74187571).

32123030321 is an equidigital number, since it uses as much as digits as its factorization.

32123030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74187570.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32123030321 its reverse (12303032123), we get a palindrome (44426062444).

The spelling of 32123030321 in words is "thirty-two billion, one hundred twenty-three million, thirty thousand, three hundred twenty-one".