32123421 has 24 divisors (see below), whose sum is σ = 53599104. Its totient is φ = 18322560.

The previous prime is 32123401. The next prime is 32123423. The reversal of 32123421 is 12432123.

32123421 is a `hidden beast` number, since 321 + 2 + 342 + 1 = 666.

It is not a de Polignac number, because 32123421 - 2⁷ = 32123293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32123394 and 32123403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32123423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7861 + ... + 11226.

It is an arithmetic number, because the mean of its divisors is an integer number (2233296).

Almost surely, 2^32123421 is an apocalyptic number.

It is an amenable number.

32123421 is a deficient number, since it is larger than the sum of its proper divisors (21475683).

32123421 is a wasteful number, since it uses less digits than its factorization.

32123421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19121 (or 19118 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 32123421 is about 5667.7527292570. The cubic root of 32123421 is about 317.8878505679.

Adding to 32123421 its reverse (12432123), we get a palindrome (44555544).

The spelling of 32123421 in words is "thirty-two million, one hundred twenty-three thousand, four hundred twenty-one".