23044988887 has 4 divisors (see below), whose sum is σ = 23081510896. Its totient is φ = 23008466880.

The previous prime is 23044988873. The next prime is 23044988899. The reversal of 23044988887 is 78888944032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23044988887 - 2¹⁵ = 23044956119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23044988387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18260058 + ... + 18261319.

It is an arithmetic number, because the mean of its divisors is an integer number (5770377724).

Almost surely, 2^23044988887 is an apocalyptic number.

23044988887 is a deficient number, since it is larger than the sum of its proper divisors (36522009).

23044988887 is an equidigital number, since it uses as much as digits as its factorization.

23044988887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36522008.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 23044988887 in words is "twenty-three billion, forty-four million, nine hundred eighty-eight thousand, eight hundred eighty-seven".