32423647 has 4 divisors (see below), whose sum is σ = 32443840. Its totient is φ = 32403456.

The previous prime is 32423623. The next prime is 32423659. The reversal of 32423647 is 74632423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74632423 = 41 ⋅1820303.

It is a cyclic number.

It is not a de Polignac number, because 32423647 - 2¹⁵ = 32390879 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 (32423617) 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, 7458 + ... + 10975.

It is an arithmetic number, because the mean of its divisors is an integer number (8110960).

Almost surely, 2^32423647 is an apocalyptic number.

32423647 is a deficient number, since it is larger than the sum of its proper divisors (20193).

32423647 is a wasteful number, since it uses less digits than its factorization.

32423647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20192.

The product of its digits is 24192, while the sum is 31.

The square root of 32423647 is about 5694.1765866541. The cubic root of 32423647 is about 318.8751095706.

It can be divided in two parts, 3242 and 3647, that added together give a square (6889 = 83²).

The spelling of 32423647 in words is "thirty-two million, four hundred twenty-three thousand, six hundred forty-seven".