23842338 has 32 divisors (see below), whose sum is σ = 52204992. Its totient is φ = 7214400.

The previous prime is 23842327. The next prime is 23842369. The reversal of 23842338 is 83324832.

It is a junction number, because it is equal to n+sod(n) for n = 23842299 and 23842308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2253 + ... + 7263.

It is an arithmetic number, because the mean of its divisors is an integer number (1631406).

Almost surely, 2^23842338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23842338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26102496).

23842338 is an abundant number, since it is smaller than the sum of its proper divisors (28362654).

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

23842338 is a wasteful number, since it uses less digits than its factorization.

23842338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090.

The product of its digits is 27648, while the sum is 33.

The square root of 23842338 is about 4882.8616609525. The cubic root of 23842338 is about 287.8168926733.

The spelling of 23842338 in words is "twenty-three million, eight hundred forty-two thousand, three hundred thirty-eight".