113203120323 has 8 divisors (see below), whose sum is σ = 150939497808. Its totient is φ = 75467744864.

The previous prime is 113203120319. The next prime is 113203120339. The reversal of 113203120323 is 323021302311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113203120323 - 2² = 113203120319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113203120323.

It is not an unprimeable number, because it can be changed into a prime (113203120123) 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 7 ways as a sum of consecutive naturals, for example, 72661 + ... + 481337.

It is an arithmetic number, because the mean of its divisors is an integer number (18867437226).

Almost surely, 2^113203120323 is an apocalyptic number.

113203120323 is a deficient number, since it is larger than the sum of its proper divisors (37736377485).

113203120323 is an equidigital number, since it uses as much as digits as its factorization.

113203120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501013.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 113203120323 its reverse (323021302311), we get a palindrome (436224422634).

The spelling of 113203120323 in words is "one hundred thirteen billion, two hundred three million, one hundred twenty thousand, three hundred twenty-three".