23930 has 8 divisors (see below), whose sum is σ = 43092. Its totient is φ = 9568.

The previous prime is 23929. The next prime is 23957. The reversal of 23930 is 3932.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20449 + 3481 = 143^2 + 59^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 23899 and 23908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187 + ... + 1206.

2²³⁹³⁰ is an apocalyptic number.

23930 is a deficient number, since it is larger than the sum of its proper divisors (19162).

23930 is a wasteful number, since it uses less digits than its factorization.

23930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 23930 is about 154.6932448428. The cubic root of 23930 is about 28.8169203555.

The spelling of 23930 in words is "twenty-three thousand, nine hundred thirty".