23534523 has 8 divisors (see below), whose sum is σ = 34866000. Its totient is φ = 15689664.

The previous prime is 23534519. The next prime is 23534531. The reversal of 23534523 is 32543532.

It is not a de Polignac number, because 23534523 - 2² = 23534519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 871649 = 23534523 / (2 + 3 + 5 + 3 + 4 + 5 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (23534503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435798 + ... + 435851.

It is an arithmetic number, because the mean of its divisors is an integer number (4358250).

Almost surely, 2^23534523 is an apocalyptic number.

23534523 is a deficient number, since it is larger than the sum of its proper divisors (11331477).

23534523 is an equidigital number, since it uses as much as digits as its factorization.

23534523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871658 (or 871652 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 23534523 is about 4851.2393261928. The cubic root of 23534523 is about 286.5729098177.

Subtracting 23534523 from its reverse (32543532), we obtain a palindrome (9009009).

The spelling of 23534523 in words is "twenty-three million, five hundred thirty-four thousand, five hundred twenty-three".