32478223 has 4 divisors (see below), whose sum is σ = 32489640. Its totient is φ = 32466808.

The previous prime is 32478221. The next prime is 32478227. The reversal of 32478223 is 32287423.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 32478223 - 2¹ = 32478221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32478221) 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, 2373 + ... + 8401.

It is an arithmetic number, because the mean of its divisors is an integer number (8122410).

Almost surely, 2^32478223 is an apocalyptic number.

32478223 is a deficient number, since it is larger than the sum of its proper divisors (11417).

32478223 is an equidigital number, since it uses as much as digits as its factorization.

32478223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11416.

The product of its digits is 16128, while the sum is 31.

The square root of 32478223 is about 5698.9668361906. The cubic root of 32478223 is about 319.0539211727.

The spelling of 32478223 in words is "thirty-two million, four hundred seventy-eight thousand, two hundred twenty-three".