113432123213 has 4 divisors (see below), whose sum is σ = 113571991008. Its totient is φ = 113292255420.

The previous prime is 113432123177. The next prime is 113432123227. The reversal of 113432123213 is 312321234311.

It is a happy number.

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 113432123213 - 2¹⁰ = 113432122189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113432123243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69932681 + ... + 69934302.

It is an arithmetic number, because the mean of its divisors is an integer number (28392997752).

Almost surely, 2^113432123213 is an apocalyptic number.

It is an amenable number.

113432123213 is a deficient number, since it is larger than the sum of its proper divisors (139867795).

113432123213 is an equidigital number, since it uses as much as digits as its factorization.

113432123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139867794.

The product of its digits is 2592, while the sum is 26.

Adding to 113432123213 its reverse (312321234311), we get a palindrome (425753357524).

The spelling of 113432123213 in words is "one hundred thirteen billion, four hundred thirty-two million, one hundred twenty-three thousand, two hundred thirteen".