23432523 has 4 divisors (see below), whose sum is σ = 31243368. Its totient is φ = 15621680.

The previous prime is 23432473. The next prime is 23432527. The reversal of 23432523 is 32523432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23432523 - 2⁸ = 23432267 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23432493 and 23432502.

It is not an unprimeable number, because it can be changed into a prime (23432527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905418 + ... + 3905423.

It is an arithmetic number, because the mean of its divisors is an integer number (7810842).

Almost surely, 2^23432523 is an apocalyptic number.

23432523 is a deficient number, since it is larger than the sum of its proper divisors (7810845).

23432523 is an equidigital number, since it uses as much as digits as its factorization.

23432523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7810844.

The product of its digits is 4320, while the sum is 24.

The square root of 23432523 is about 4840.7151331182. The cubic root of 23432523 is about 286.1583023411.

Adding to 23432523 its reverse (32523432), we get a palindrome (55955955).

Subtracting 23432523 from its reverse (32523432), we obtain a palindrome (9090909).

The spelling of 23432523 in words is "twenty-three million, four hundred thirty-two thousand, five hundred twenty-three".