113123200145 has 12 divisors (see below), whose sum is σ = 140590217820. Its totient is φ = 87377916864.

The previous prime is 113123200117. The next prime is 113123200219. The reversal of 113123200145 is 541002321311.

It can be written as a sum of positive squares in 6 ways, for example, as 135117376 + 112988082769 = 11624^2 + 336137^2 .

It is not a de Polignac number, because 113123200145 - 2²⁴ = 113106422929 is a prime.

It is a super-2 number, since 2×113123200145² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113123200145.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13446830 + ... + 13455239.

It is an arithmetic number, because the mean of its divisors is an integer number (11715851485).

Almost surely, 2^113123200145 is an apocalyptic number.

It is an amenable number.

113123200145 is a deficient number, since it is larger than the sum of its proper divisors (27467017675).

113123200145 is an equidigital number, since it uses as much as digits as its factorization.

113123200145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26902132 (or 26902103 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 113123200145 its reverse (541002321311), we get a palindrome (654125521456).

The spelling of 113123200145 in words is "one hundred thirteen billion, one hundred twenty-three million, two hundred thousand, one hundred forty-five".