115201523 has 4 divisors (see below), whose sum is σ = 115223280. Its totient is φ = 115179768.

The previous prime is 115201501. The next prime is 115201561. The reversal of 115201523 is 325102511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325102511 = 14033 ⋅23167.

It is a cyclic number.

It is not a de Polignac number, because 115201523 - 2²² = 111007219 is a prime.

It is a super-3 number, since 3×115201523³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115201495 and 115201504.

It is not an unprimeable number, because it can be changed into a prime (115201223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2786 + ... + 15432.

It is an arithmetic number, because the mean of its divisors is an integer number (28805820).

Almost surely, 2^115201523 is an apocalyptic number.

115201523 is a deficient number, since it is larger than the sum of its proper divisors (21757).

115201523 is an equidigital number, since it uses as much as digits as its factorization.

115201523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21756.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 115201523 is about 10733.1972403380. The cubic root of 115201523 is about 486.5783038942.

The spelling of 115201523 in words is "one hundred fifteen million, two hundred one thousand, five hundred twenty-three".