23842242 has 16 divisors (see below), whose sum is σ = 52982880. Its totient is φ = 7947396.

The previous prime is 23842241. The next prime is 23842249. The reversal of 23842242 is 24224832.

23842242 is a `hidden beast` number, since 238 + 422 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23842241) 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, 220708 + ... + 220815.

It is an arithmetic number, because the mean of its divisors is an integer number (3311430).

Almost surely, 2^23842242 is an apocalyptic number.

23842242 is an abundant number, since it is smaller than the sum of its proper divisors (29140638).

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

23842242 is a wasteful number, since it uses less digits than its factorization.

23842242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441534 (or 441528 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 23842242 is about 4882.8518306416. The cubic root of 23842242 is about 287.8165063793.

The spelling of 23842242 in words is "twenty-three million, eight hundred forty-two thousand, two hundred forty-two".