23097528 has 64 divisors (see below), whose sum is σ = 65248800. Its totient is φ = 7568640.

The previous prime is 23097479. The next prime is 23097593. The reversal of 23097528 is 82579032.

It is a happy number.

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 = 23097492 and 23097501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12300 + ... + 14052.

Almost surely, 2^23097528 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 23097528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32624400).

23097528 is an abundant number, since it is smaller than the sum of its proper divisors (42151272).

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

23097528 is a wasteful number, since it uses less digits than its factorization.

23097528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1819 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 23097528 is about 4805.9887640318. The cubic root of 23097528 is about 284.7880973332.

The spelling of 23097528 in words is "twenty-three million, ninety-seven thousand, five hundred twenty-eight".