113310202123 has 4 divisors (see below), whose sum is σ = 113457550360. Its totient is φ = 113162853888.

The previous prime is 113310202081. The next prime is 113310202133. The reversal of 113310202123 is 321202013311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321202013311 = 359 ⋅894713129.

It is a cyclic number.

It is not a de Polignac number, because 113310202123 - 2²¹ = 113308104971 is a prime.

It is a super-2 number, since 2×113310202123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113310202123.

It is not an unprimeable number, because it can be changed into a prime (113310202133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73672965 + ... + 73674502.

It is an arithmetic number, because the mean of its divisors is an integer number (28364387590).

Almost surely, 2^113310202123 is an apocalyptic number.

113310202123 is a deficient number, since it is larger than the sum of its proper divisors (147348237).

113310202123 is an equidigital number, since it uses as much as digits as its factorization.

113310202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147348236.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113310202123 its reverse (321202013311), we get a palindrome (434512215434).

The spelling of 113310202123 in words is "one hundred thirteen billion, three hundred ten million, two hundred two thousand, one hundred twenty-three".