23524203131213 has 4 divisors (see below), whose sum is σ = 23807627265408. Its totient is φ = 23240778997020.

The previous prime is 23524203131183. The next prime is 23524203131287. The reversal of 23524203131213 is 31213130242532.

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 a de Polignac number, because none of the positive numbers 2^k-23524203131213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23524203131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23524203130213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141712066973 + ... + 141712067138.

It is an arithmetic number, because the mean of its divisors is an integer number (5951906816352).

Almost surely, 2^{23524203131213} is an apocalyptic number.

It is an amenable number.

23524203131213 is a deficient number, since it is larger than the sum of its proper divisors (283424134195).

23524203131213 is an equidigital number, since it uses as much as digits as its factorization.

23524203131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283424134194.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 23524203131213 its reverse (31213130242532), we get a palindrome (54737333373745).

The spelling of 23524203131213 in words is "twenty-three trillion, five hundred twenty-four billion, two hundred three million, one hundred thirty-one thousand, two hundred thirteen".