23040187 has 8 divisors (see below), whose sum is σ = 23439056. Its totient is φ = 22643712.

The previous prime is 23040167. The next prime is 23040209. The reversal of 23040187 is 78104032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23040187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23040167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39643 + ... + 40219.

It is an arithmetic number, because the mean of its divisors is an integer number (2929882).

Almost surely, 2^23040187 is an apocalyptic number.

23040187 is a deficient number, since it is larger than the sum of its proper divisors (398869).

23040187 is an equidigital number, since it uses as much as digits as its factorization.

23040187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 23040187 is about 4800.0194791271. The cubic root of 23040187 is about 284.5522341940.

The spelling of 23040187 in words is "twenty-three million, forty thousand, one hundred eighty-seven".