32023147 has 4 divisors (see below), whose sum is σ = 34486480. Its totient is φ = 29559816.

The previous prime is 32023099. The next prime is 32023157. The reversal of 32023147 is 74132023.

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

It is a de Polignac number, because none of the positive numbers 2^k-32023147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32023157) 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 3 ways as a sum of consecutive naturals, for example, 1231647 + ... + 1231672.

It is an arithmetic number, because the mean of its divisors is an integer number (8621620).

Almost surely, 2^32023147 is an apocalyptic number.

32023147 is a deficient number, since it is larger than the sum of its proper divisors (2463333).

32023147 is a wasteful number, since it uses less digits than its factorization.

32023147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463332.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 32023147 is about 5658.8998047324. The cubic root of 32023147 is about 317.5567410526.

The spelling of 32023147 in words is "thirty-two million, twenty-three thousand, one hundred forty-seven".