23745528 has 64 divisors (see below), whose sum is σ = 67392000. Its totient is φ = 7743456.

The previous prime is 23745523. The next prime is 23745539. The reversal of 23745528 is 82554732.

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 = 23745492 and 23745501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23745521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8983 + ... + 11321.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^23745528 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 23745528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33696000).

23745528 is an abundant number, since it is smaller than the sum of its proper divisors (43646472).

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

23745528 is a wasteful number, since it uses less digits than its factorization.

23745528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401 (or 2391 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 23745528 is about 4872.9383332852. The cubic root of 23745528 is about 287.4268113637.

The spelling of 23745528 in words is "twenty-three million, seven hundred forty-five thousand, five hundred twenty-eight".