523115 has 4 divisors (see below), whose sum is σ = 627744. Its totient is φ = 418488.

The previous prime is 523109. The next prime is 523129. The reversal of 523115 is 511325.

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 523115 - 2¹⁴ = 506731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523093 and 523102.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 523115.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52307 + ... + 52316.

It is an arithmetic number, because the mean of its divisors is an integer number (156936).

2⁵²³¹¹⁵ is an apocalyptic number.

523115 is a deficient number, since it is larger than the sum of its proper divisors (104629).

523115 is a wasteful number, since it uses less digits than its factorization.

523115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104628.

The product of its digits is 150, while the sum is 17.

The square root of 523115 is about 723.2668940301. The cubic root of 523115 is about 80.5747668982.

The spelling of 523115 in words is "five hundred twenty-three thousand, one hundred fifteen".