23103872 has 64 divisors (see below), whose sum is σ = 51224400. Its totient is φ = 10291200.

The previous prime is 23103859. The next prime is 23103887. The reversal of 23103872 is 27830132.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85754 + ... + 86022.

Almost surely, 2^23103872 is an apocalyptic number.

23103872 is a gapful number since it is divisible by the number (22) 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 23103872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25612200).

23103872 is an abundant number, since it is smaller than the sum of its proper divisors (28120528).

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

23103872 is a wasteful number, since it uses less digits than its factorization.

23103872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 23103872 is about 4806.6487285842. The cubic root of 23103872 is about 284.8141683815.

The spelling of 23103872 in words is "twenty-three million, one hundred three thousand, eight hundred seventy-two".