23884542 has 48 divisors (see below), whose sum is σ = 57283200. Its totient is φ = 7131600.

The previous prime is 23884537. The next prime is 23884543. The reversal of 23884542 is 24548832.

23884542 is a `hidden beast` number, since 2 + 38 + 84 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 23884497 and 23884506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23884543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13209 + ... + 14907.

It is an arithmetic number, because the mean of its divisors is an integer number (1193400).

Almost surely, 2^23884542 is an apocalyptic number.

23884542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23884542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28641600).

23884542 is an abundant number, since it is smaller than the sum of its proper divisors (33398658).

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

23884542 is a wasteful number, since it uses less digits than its factorization.

23884542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1786 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 23884542 is about 4887.1813962651. The cubic root of 23884542 is about 287.9866168550.

The spelling of 23884542 in words is "twenty-three million, eight hundred eighty-four thousand, five hundred forty-two".