23608728 has 96 divisors (see below), whose sum is σ = 75151440. Its totient is φ = 6600960.

The previous prime is 23608727. The next prime is 23608747. The reversal of 23608728 is 82780632.

23608728 = T₁₇₇ + T₁₇₈ + ... + T₅₂₇.

It is a happy number.

23608728 is a `hidden beast` number, since 23 + 608 + 7 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23608692 and 23608701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23608727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9150 + ... + 11442.

Almost surely, 2^23608728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23608728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37575720).

23608728 is an abundant number, since it is smaller than the sum of its proper divisors (51542712).

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

23608728 is a wasteful number, since it uses less digits than its factorization.

23608728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 23608728 is about 4858.8813527395. The cubic root of 23608728 is about 286.8737845791.

It can be divided in two parts, 23608 and 728, that added together give a square (24336 = 156²).

The spelling of 23608728 in words is "twenty-three million, six hundred eight thousand, seven hundred twenty-eight".