23120784 has 60 divisors (see below), whose sum is σ = 65040976. Its totient is φ = 7667136.

The previous prime is 23120749. The next prime is 23120789. The reversal of 23120784 is 48702132.

It is not an unprimeable number, because it can be changed into a prime (23120789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43947 + ... + 44469.

Almost surely, 2^23120784 is an apocalyptic number.

23120784 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 23120784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32520488).

23120784 is an abundant number, since it is smaller than the sum of its proper divisors (41920192).

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

23120784 is a wasteful number, since it uses less digits than its factorization.

23120784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 835 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 23120784 is about 4808.4076366298. The cubic root of 23120784 is about 284.8836459479.

The spelling of 23120784 in words is "twenty-three million, one hundred twenty thousand, seven hundred eighty-four".