23840330 has 8 divisors (see below), whose sum is σ = 42912612. Its totient is φ = 9536128.

The previous prime is 23840317. The next prime is 23840353. The reversal of 23840330 is 3304832.

It can be written as a sum of positive squares in 2 ways, for example, as 23493409 + 346921 = 4847^2 + 589^2 .

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

It is a super-2 number, since 2×23840330² = 1136722669017800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23840296 and 23840305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192007 + ... + 1192026.

Almost surely, 2^23840330 is an apocalyptic number.

23840330 is a deficient number, since it is larger than the sum of its proper divisors (19072282).

23840330 is a wasteful number, since it uses less digits than its factorization.

23840330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384040.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23840330 is about 4882.6560394933. The cubic root of 23840330 is about 287.8088124738.

The spelling of 23840330 in words is "twenty-three million, eight hundred forty thousand, three hundred thirty".