115111023 has 4 divisors (see below), whose sum is σ = 153481368. Its totient is φ = 76740680.

The previous prime is 115110997. The next prime is 115111069. The reversal of 115111023 is 320111511.

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 115111023 - 2⁵ = 115110991 is a prime.

It is a super-2 number, since 2×115111023² = 26501095232213058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115110993 and 115111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111023) 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, 19185168 + ... + 19185173.

It is an arithmetic number, because the mean of its divisors is an integer number (38370342).

Almost surely, 2^115111023 is an apocalyptic number.

115111023 is a deficient number, since it is larger than the sum of its proper divisors (38370345).

115111023 is an equidigital number, since it uses as much as digits as its factorization.

115111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38370344.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 115111023 is about 10728.9805200681. The cubic root of 115111023 is about 486.4508551375.

Adding to 115111023 its reverse (320111511), we get a palindrome (435222534).

The spelling of 115111023 in words is "one hundred fifteen million, one hundred eleven thousand, twenty-three".