23840345 has 8 divisors (see below), whose sum is σ = 30114240. Its totient is φ = 18068400.

The previous prime is 23840317. The next prime is 23840353. The reversal of 23840345 is 54304832.

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

It is not a de Polignac number, because 23840345 - 2⁶ = 23840281 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125381 + ... + 125570.

It is an arithmetic number, because the mean of its divisors is an integer number (3764280).

Almost surely, 2^23840345 is an apocalyptic number.

It is an amenable number.

23840345 is a deficient number, since it is larger than the sum of its proper divisors (6273895).

23840345 is a wasteful number, since it uses less digits than its factorization.

23840345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250975.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 23840345 is about 4882.6575755422. The cubic root of 23840345 is about 287.8088728355.

The spelling of 23840345 in words is "twenty-three million, eight hundred forty thousand, three hundred forty-five".