23356928 has 100 divisors (see below), whose sum is σ = 57308460. Its totient is φ = 9483264.

The previous prime is 23356913. The next prime is 23356933. The reversal of 23356928 is 82965332.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 23356891 and 23356900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1229303 + ... + 1229321.

Almost surely, 2^23356928 is an apocalyptic number.

23356928 is a gapful number since it is divisible by the number (28) 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 23356928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28654230).

23356928 is an abundant number, since it is smaller than the sum of its proper divisors (33951532).

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

23356928 is an frugal number, since it uses more digits than its factorization.

23356928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 28 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 23356928 is about 4832.9005783277. The cubic root of 23356928 is about 285.8502484321.

Multiplying 23356928 by its sum of digits (38), we get a square (887563264 = 29792²).

23356928 divided by its sum of digits (38) gives a 4-th power (614656 = 28⁴).

The spelling of 23356928 in words is "twenty-three million, three hundred fifty-six thousand, nine hundred twenty-eight".