23043900 has 72 divisors (see below), whose sum is σ = 72745344. Its totient is φ = 5585600.

The previous prime is 23043887. The next prime is 23043919. The reversal of 23043900 is 934032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192 + ... + 6791.

It is an arithmetic number, because the mean of its divisors is an integer number (1010352).

Almost surely, 2^23043900 is an apocalyptic number.

23043900 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 23043900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36372672).

23043900 is an abundant number, since it is smaller than the sum of its proper divisors (49701444).

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

23043900 is a wasteful number, since it uses less digits than its factorization.

23043900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7011 (or 7004 counting only the distinct ones).

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

The square root of 23043900 is about 4800.4062328099. The cubic root of 23043900 is about 284.5675188746.

Adding to 23043900 its reverse (934032), we get a palindrome (23977932).

The spelling of 23043900 in words is "twenty-three million, forty-three thousand, nine hundred".