23943000 has 128 divisors (see below), whose sum is σ = 78174720. Its totient is φ = 6089600.

The previous prime is 23942999. The next prime is 23943011. The reversal of 23943000 is 34932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68827 + ... + 69173.

It is an arithmetic number, because the mean of its divisors is an integer number (610740).

Almost surely, 2^23943000 is an apocalyptic number.

23943000 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 23943000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39087360).

23943000 is an abundant number, since it is smaller than the sum of its proper divisors (54231720).

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

23943000 is a wasteful number, since it uses less digits than its factorization.

23943000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23943000 is about 4893.1584891561. The cubic root of 23943000 is about 288.2213768586.

Adding to 23943000 its reverse (34932), we get a palindrome (23977932).

The spelling of 23943000 in words is "twenty-three million, nine hundred forty-three thousand".