115020523 has 4 divisors (see below), whose sum is σ = 115207560. Its totient is φ = 114833488.

The previous prime is 115020511. The next prime is 115020557. The reversal of 115020523 is 325020511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115020523 is a prime.

It is a super-2 number, since 2×115020523² = 26459441422387058, 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 115020523.

It is not an unprimeable number, because it can be changed into a prime (115020593) 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, 92593 + ... + 93826.

It is an arithmetic number, because the mean of its divisors is an integer number (28801890).

Almost surely, 2^115020523 is an apocalyptic number.

115020523 is a deficient number, since it is larger than the sum of its proper divisors (187037).

115020523 is an equidigital number, since it uses as much as digits as its factorization.

115020523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187036.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 115020523 is about 10724.7621418845. The cubic root of 115020523 is about 486.3233395634.

The spelling of 115020523 in words is "one hundred fifteen million, twenty thousand, five hundred twenty-three".