23144733680 has 20 divisors (see below), whose sum is σ = 53811505992. Its totient is φ = 9257893440.

The previous prime is 23144733673. The next prime is 23144733707. The reversal of 23144733680 is 8633744132.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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, 144654506 + ... + 144654665.

Almost surely, 2^23144733680 is an apocalyptic number.

23144733680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144733680 is an abundant number, since it is smaller than the sum of its proper divisors (30666772312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23144733680 is a wasteful number, since it uses less digits than its factorization.

23144733680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289309184 (or 289309178 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 23144733680 in words is "twenty-three billion, one hundred forty-four million, seven hundred thirty-three thousand, six hundred eighty".