113440340323 has 4 divisors (see below), whose sum is σ = 113587094448. Its totient is φ = 113293586200.

The previous prime is 113440340219. The next prime is 113440340333. The reversal of 113440340323 is 323043044311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113440340323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113440340291 and 113440340300.

It is not an unprimeable number, because it can be changed into a prime (113440340333) 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, 73375903 + ... + 73377448.

It is an arithmetic number, because the mean of its divisors is an integer number (28396773612).

Almost surely, 2^113440340323 is an apocalyptic number.

113440340323 is a deficient number, since it is larger than the sum of its proper divisors (146754125).

113440340323 is an equidigital number, since it uses as much as digits as its factorization.

113440340323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146754124.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 113440340323 its reverse (323043044311), we get a palindrome (436483384634).

The spelling of 113440340323 in words is "one hundred thirteen billion, four hundred forty million, three hundred forty thousand, three hundred twenty-three".