23789930 has 8 divisors (see below), whose sum is σ = 42821892. Its totient is φ = 9515968.

The previous prime is 23789923. The next prime is 23789933. The reversal of 23789930 is 3998732.

It can be written as a sum of positive squares in 2 ways, for example, as 19333609 + 4456321 = 4397^2 + 2111^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23789933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1189487 + ... + 1189506.

Almost surely, 2^23789930 is an apocalyptic number.

23789930 is a deficient number, since it is larger than the sum of its proper divisors (19031962).

23789930 is a wasteful number, since it uses less digits than its factorization.

23789930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379000.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 23789930 is about 4877.4921834894. The cubic root of 23789930 is about 287.6058539008.

The spelling of 23789930 in words is "twenty-three million, seven hundred eighty-nine thousand, nine hundred thirty".