32021320100123 has 4 divisors (see below), whose sum is σ = 33413551408848. Its totient is φ = 30629088791400.

The previous prime is 32021320100113. The next prime is 32021320100129. The reversal of 32021320100123 is 32100102312023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32021320100123 - 2²⁴ = 32021303322907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32021320100095 and 32021320100104.

It is not an unprimeable number, because it can be changed into a prime (32021320100129) 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, 696115654328 + ... + 696115654373.

It is an arithmetic number, because the mean of its divisors is an integer number (8353387852212).

Almost surely, 2^{32021320100123} is an apocalyptic number.

32021320100123 is a deficient number, since it is larger than the sum of its proper divisors (1392231308725).

32021320100123 is a wasteful number, since it uses less digits than its factorization.

32021320100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392231308724.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32021320100123 its reverse (32100102312023), we get a palindrome (64121422412146).

The spelling of 32021320100123 in words is "thirty-two trillion, twenty-one billion, three hundred twenty million, one hundred thousand, one hundred twenty-three".