32121423 has 12 divisors (see below), whose sum is σ = 46447128. Its totient is φ = 21391440.

The previous prime is 32121413. The next prime is 32121433. The reversal of 32121423 is 32412123.

It is an interprime number because it is at equal distance from previous prime (32121413) and next prime (32121433).

It is not a de Polignac number, because 32121423 - 2⁹ = 32120911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32121396 and 32121405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121403) 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 11 ways as a sum of consecutive naturals, for example, 13933 + ... + 16073.

It is an arithmetic number, because the mean of its divisors is an integer number (3870594).

Almost surely, 2^32121423 is an apocalyptic number.

32121423 is a deficient number, since it is larger than the sum of its proper divisors (14325705).

32121423 is a wasteful number, since it uses less digits than its factorization.

32121423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814 (or 3811 counting only the distinct ones).

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

The square root of 32121423 is about 5667.5764661802. The cubic root of 32121423 is about 317.8812598098.

Adding to 32121423 its reverse (32412123), we get a palindrome (64533546).

The spelling of 32121423 in words is "thirty-two million, one hundred twenty-one thousand, four hundred twenty-three".