23841861 has 4 divisors (see below), whose sum is σ = 31789152. Its totient is φ = 15894572.

The previous prime is 23841859. The next prime is 23841893. The reversal of 23841861 is 16814832.

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 not a de Polignac number, because 23841861 - 2¹ = 23841859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23841761) 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, 3973641 + ... + 3973646.

It is an arithmetic number, because the mean of its divisors is an integer number (7947288).

Almost surely, 2^23841861 is an apocalyptic number.

It is an amenable number.

23841861 is a deficient number, since it is larger than the sum of its proper divisors (7947291).

23841861 is an equidigital number, since it uses as much as digits as its factorization.

23841861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947290.

The product of its digits is 9216, while the sum is 33.

The square root of 23841861 is about 4882.8128164000. The cubic root of 23841861 is about 287.8149732646.

The spelling of 23841861 in words is "twenty-three million, eight hundred forty-one thousand, eight hundred sixty-one".