23042784 has 48 divisors (see below), whose sum is σ = 61786368. Its totient is φ = 7516032.

The previous prime is 23042783. The next prime is 23042819. The reversal of 23042784 is 48724032.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23042783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959 + ... + 7065.

It is an arithmetic number, because the mean of its divisors is an integer number (1287216).

Almost surely, 2^23042784 is an apocalyptic number.

23042784 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 23042784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30893184).

23042784 is an abundant number, since it is smaller than the sum of its proper divisors (38743584).

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

23042784 is a wasteful number, since it uses less digits than its factorization.

23042784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 23042784 is about 4800.2899912401. The cubic root of 23042784 is about 284.5629249983.

The spelling of 23042784 in words is "twenty-three million, forty-two thousand, seven hundred eighty-four".