23662 has 4 divisors (see below), whose sum is σ = 35496. Its totient is φ = 11830.

The previous prime is 23633. The next prime is 23663. The reversal of 23662 is 26632.

23662 is nontrivially palindromic in base 11.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23663) by changing a digit.

23662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5914 + ... + 5917.

It is an arithmetic number, because the mean of its divisors is an integer number (8874).

2²³⁶⁶² is an apocalyptic number.

23662 is a deficient number, since it is larger than the sum of its proper divisors (11834).

23662 is a wasteful number, since it uses less digits than its factorization.

23662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833.

The product of its digits is 432, while the sum is 19.

The square root of 23662 is about 153.8245754098. The cubic root of 23662 is about 28.7089394953.

The spelling of 23662 in words is "twenty-three thousand, six hundred sixty-two".