113121213310023 has 4 divisors (see below), whose sum is σ = 150828284413368. Its totient is φ = 75414142206680.

The previous prime is 113121213310009. The next prime is 113121213310073. The reversal of 113121213310023 is 320013312121311.

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

It is a cyclic number.

It is not a de Polignac number, because 113121213310023 - 2⁶ = 113121213309959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113121213309975 and 113121213310002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113121213310073) 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, 18853535551668 + ... + 18853535551673.

It is an arithmetic number, because the mean of its divisors is an integer number (37707071103342).

Almost surely, 2^{113121213310023} is an apocalyptic number.

113121213310023 is a deficient number, since it is larger than the sum of its proper divisors (37707071103345).

113121213310023 is an equidigital number, since it uses as much as digits as its factorization.

113121213310023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37707071103344.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 113121213310023 its reverse (320013312121311), we get a palindrome (433134525431334).

The spelling of 113121213310023 in words is "one hundred thirteen trillion, one hundred twenty-one billion, two hundred thirteen million, three hundred ten thousand, twenty-three".