23769689 has 4 divisors (see below), whose sum is σ = 25167924. Its totient is φ = 22371456.

The previous prime is 23769679. The next prime is 23769721. The reversal of 23769689 is 98696732.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15272464 + 8497225 = 3908^2 + 2915^2 .

It is not a de Polignac number, because 23769689 - 2¹² = 23765593 is a prime.

It is a super-3 number, since 3×23769689³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23769659) 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, 699092 + ... + 699125.

It is an arithmetic number, because the mean of its divisors is an integer number (6291981).

Almost surely, 2^23769689 is an apocalyptic number.

It is an amenable number.

23769689 is a deficient number, since it is larger than the sum of its proper divisors (1398235).

23769689 is a wasteful number, since it uses less digits than its factorization.

23769689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398234.

The product of its digits is 979776, while the sum is 50.

The square root of 23769689 is about 4875.4168026949. The cubic root of 23769689 is about 287.5242636107.

The spelling of 23769689 in words is "twenty-three million, seven hundred sixty-nine thousand, six hundred eighty-nine".