23783445504 has 880 divisors, whose sum is σ = 91878006528. Its totient is φ = 5956042752.

The previous prime is 23783445503. The next prime is 23783445509. The reversal of 23783445504 is 40554438732.

23783445504 is a `hidden beast` number, since 2 + 3 + 78 + 34 + 45 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23783445504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23783445503) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 173601724 + ... + 173601860.

Almost surely, 2^23783445504 is an apocalyptic number.

23783445504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23783445504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45939003264).

23783445504 is an abundant number, since it is smaller than the sum of its proper divisors (68094561024).

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

23783445504 is a wasteful number, since it uses less digits than its factorization.

23783445504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 23783445504 in words is "twenty-three billion, seven hundred eighty-three million, four hundred forty-five thousand, five hundred four".