23432956144 has 80 divisors (see below), whose sum is σ = 49896743904. Its totient is φ = 10594022400.

The previous prime is 23432956133. The next prime is 23432956153. The reversal of 23432956144 is 44165923432.

It is a self number, because there is not a number n which added to its sum of digits gives 23432956144.

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 15 ways as a sum of consecutive naturals, for example, 8939154 + ... + 8941774.

Almost surely, 2^23432956144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23432956144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24948371952).

23432956144 is an abundant number, since it is smaller than the sum of its proper divisors (26463787760).

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

23432956144 is a wasteful number, since it uses less digits than its factorization.

23432956144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506 (or 3500 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The spelling of 23432956144 in words is "twenty-three billion, four hundred thirty-two million, nine hundred fifty-six thousand, one hundred forty-four".