23441987 has 4 divisors (see below), whose sum is σ = 23452440. Its totient is φ = 23431536.

The previous prime is 23441969. The next prime is 23441989. The reversal of 23441987 is 78914432.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23441987 - 2⁸ = 23441731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23441987.

It is not an unprimeable number, because it can be changed into a prime (23441989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (5863110).

Almost surely, 2^23441987 is an apocalyptic number.

23441987 is a deficient number, since it is larger than the sum of its proper divisors (10453).

23441987 is an equidigital number, since it uses as much as digits as its factorization.

23441987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10452.

The product of its digits is 48384, while the sum is 38.

The square root of 23441987 is about 4841.6925759490. The cubic root of 23441987 is about 286.1968219897.

The spelling of 23441987 in words is "twenty-three million, four hundred forty-one thousand, nine hundred eighty-seven".