23440423528 has 16 divisors (see below), whose sum is σ = 44296865280. Its totient is φ = 11627926128.

The previous prime is 23440423511. The next prime is 23440423529. The reversal of 23440423528 is 82532404432.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23440423529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11534626 + ... + 11536657.

It is an arithmetic number, because the mean of its divisors is an integer number (2768554080).

Almost surely, 2^23440423528 is an apocalyptic number.

It is an amenable number.

23440423528 is a deficient number, since it is larger than the sum of its proper divisors (20856441752).

23440423528 is a wasteful number, since it uses less digits than its factorization.

23440423528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23071416 (or 23071412 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 23440423528 in words is "twenty-three billion, four hundred forty million, four hundred twenty-three thousand, five hundred twenty-eight".