23523113 has 4 divisors (see below), whose sum is σ = 23806608. Its totient is φ = 23239620.

The previous prime is 23523103. The next prime is 23523131. The reversal of 23523113 is 31132532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23523113 - 2¹⁸ = 23260969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23523103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141623 + ... + 141788.

It is an arithmetic number, because the mean of its divisors is an integer number (5951652).

Almost surely, 2^23523113 is an apocalyptic number.

It is an amenable number.

23523113 is a deficient number, since it is larger than the sum of its proper divisors (283495).

23523113 is an equidigital number, since it uses as much as digits as its factorization.

23523113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283494.

The product of its digits is 540, while the sum is 20.

The square root of 23523113 is about 4850.0631954646. The cubic root of 23523113 is about 286.5265902688.

Adding to 23523113 its reverse (31132532), we get a palindrome (54655645).

The spelling of 23523113 in words is "twenty-three million, five hundred twenty-three thousand, one hundred thirteen".