113313212021023 has 4 divisors (see below), whose sum is σ = 129500813738320. Its totient is φ = 97125610303728.

The previous prime is 113313212021017. The next prime is 113313212021027. The reversal of 113313212021023 is 320120212313311.

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-113313212021023 is a prime.

It is a super-2 number, since 2×113313212021023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113313212021027) 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, 8093800858638 + ... + 8093800858651.

It is an arithmetic number, because the mean of its divisors is an integer number (32375203434580).

Almost surely, 2^{113313212021023} is an apocalyptic number.

113313212021023 is a deficient number, since it is larger than the sum of its proper divisors (16187601717297).

113313212021023 is an equidigital number, since it uses as much as digits as its factorization.

113313212021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16187601717296.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 113313212021023 its reverse (320120212313311), we get a palindrome (433433424334334).

The spelling of 113313212021023 in words is "one hundred thirteen trillion, three hundred thirteen billion, two hundred twelve million, twenty-one thousand, twenty-three".