23408528 has 60 divisors (see below), whose sum is σ = 53643888. Its totient is φ = 9809280.

The previous prime is 23408519. The next prime is 23408537. The reversal of 23408528 is 82580432.

It is an interprime number because it is at equal distance from previous prime (23408519) and next prime (23408537).

It is a junction number, because it is equal to n+sod(n) for n = 23408494 and 23408503.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29351 + ... + 30137.

Almost surely, 2^23408528 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 23408528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26821944).

23408528 is an abundant number, since it is smaller than the sum of its proper divisors (30235360).

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

23408528 is a wasteful number, since it uses less digits than its factorization.

23408528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 23408528 is about 4838.2360421955. The cubic root of 23408528 is about 286.0605932222.

The spelling of 23408528 in words is "twenty-three million, four hundred eight thousand, five hundred twenty-eight".