32023123220 has 48 divisors (see below), whose sum is σ = 73431743616. Its totient is φ = 11633712000.

The previous prime is 32023123207. The next prime is 32023123331. The reversal of 32023123220 is 2232132023.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32023123192 and 32023123201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164825 + ... + 302015.

It is an arithmetic number, because the mean of its divisors is an integer number (1529827992).

Almost surely, 2^32023123220 is an apocalyptic number.

It is an amenable number.

32023123220 is an abundant number, since it is smaller than the sum of its proper divisors (41408620396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32023123220 is a wasteful number, since it uses less digits than its factorization.

32023123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138272 (or 138270 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32023123220 its reverse (2232132023), we get a palindrome (34255255243).

The spelling of 32023123220 in words is "thirty-two billion, twenty-three million, one hundred twenty-three thousand, two hundred twenty".