115116123 has 4 divisors (see below), whose sum is σ = 153488168. Its totient is φ = 76744080.

The previous prime is 115116121. The next prime is 115116143. The reversal of 115116123 is 321611511.

It is a happy number.

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

It is not a de Polignac number, because 115116123 - 2¹ = 115116121 is a prime.

It is a super-2 number, since 2×115116123² = 26503443549102258, which 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 115116123.

It is not an unprimeable number, because it can be changed into a prime (115116121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19186018 + ... + 19186023.

It is an arithmetic number, because the mean of its divisors is an integer number (38372042).

Almost surely, 2^115116123 is an apocalyptic number.

115116123 is a deficient number, since it is larger than the sum of its proper divisors (38372045).

115116123 is an equidigital number, since it uses as much as digits as its factorization.

115116123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38372044.

The product of its digits is 180, while the sum is 21.

The square root of 115116123 is about 10729.2181914620. The cubic root of 115116123 is about 486.4580391084.

Adding to 115116123 its reverse (321611511), we get a palindrome (436727634).

The spelling of 115116123 in words is "one hundred fifteen million, one hundred sixteen thousand, one hundred twenty-three".