32120021323 has 32 divisors (see below), whose sum is σ = 37654364160. Its totient is φ = 27129254400.

The previous prime is 32120021321. The next prime is 32120021327. The reversal of 32120021323 is 32312002123.

It is a cyclic number.

It is not a de Polignac number, because 32120021323 - 2¹ = 32120021321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32120021323.

It is not an unprimeable number, because it can be changed into a prime (32120021321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1558198 + ... + 1578676.

It is an arithmetic number, because the mean of its divisors is an integer number (1176698880).

Almost surely, 2^32120021323 is an apocalyptic number.

32120021323 is a deficient number, since it is larger than the sum of its proper divisors (5534342837).

32120021323 is a wasteful number, since it uses less digits than its factorization.

32120021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20707.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32120021323 its reverse (32312002123), we get a palindrome (64432023446).

The spelling of 32120021323 in words is "thirty-two billion, one hundred twenty million, twenty-one thousand, three hundred twenty-three".