23187941 has 4 divisors (see below), whose sum is σ = 26500512. Its totient is φ = 19875372.

The previous prime is 23187929. The next prime is 23188021. The reversal of 23187941 is 14978132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23187941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23181941) by changing a digit.

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, 1656275 + ... + 1656288.

It is an arithmetic number, because the mean of its divisors is an integer number (6625128).

Almost surely, 2^23187941 is an apocalyptic number.

It is an amenable number.

23187941 is a deficient number, since it is larger than the sum of its proper divisors (3312571).

23187941 is an equidigital number, since it uses as much as digits as its factorization.

23187941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312570.

The product of its digits is 12096, while the sum is 35.

The square root of 23187941 is about 4815.3858620052. The cubic root of 23187941 is about 285.1592051909.

The spelling of 23187941 in words is "twenty-three million, one hundred eighty-seven thousand, nine hundred forty-one".