23528197 has 16 divisors (see below), whose sum is σ = 29836800. Its totient is φ = 18019440.

The previous prime is 23528191. The next prime is 23528207. The reversal of 23528197 is 79182532.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23528197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23528191) 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, 1954 + ... + 7132.

It is an arithmetic number, because the mean of its divisors is an integer number (1864800).

Almost surely, 2^23528197 is an apocalyptic number.

It is an amenable number.

23528197 is a deficient number, since it is larger than the sum of its proper divisors (6308603).

23528197 is a wasteful number, since it uses less digits than its factorization.

23528197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256.

The product of its digits is 30240, while the sum is 37.

The square root of 23528197 is about 4850.5872840307. The cubic root of 23528197 is about 286.5472309078.

The spelling of 23528197 in words is "twenty-three million, five hundred twenty-eight thousand, one hundred ninety-seven".