23843340 has 72 divisors (see below), whose sum is σ = 74675328. Its totient is φ = 6151680.

The previous prime is 23843297. The next prime is 23843377. The reversal of 23843340 is 4334832.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3444 + ... + 7716.

Almost surely, 2^23843340 is an apocalyptic number.

23843340 is a gapful number since it is divisible by the number (20) 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 23843340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37337664).

23843340 is an abundant number, since it is smaller than the sum of its proper divisors (50831988).

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

23843340 is a wasteful number, since it uses less digits than its factorization.

23843340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 23843340 is about 4882.9642636415. The cubic root of 23843340 is about 287.8209245554.

The spelling of 23843340 in words is "twenty-three million, eight hundred forty-three thousand, three hundred forty".