115523 has 2 divisors, whose sum is σ = 115524. Its totient is φ = 115522.

The previous prime is 115513. The next prime is 115547. The reversal of 115523 is 325511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115523 - 2⁶ = 115459 is a prime.

It is not a weakly prime, because it can be changed into another prime (115513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57761 + 57762.

It is an arithmetic number, because the mean of its divisors is an integer number (57762).

2¹¹⁵⁵²³ is an apocalyptic number.

115523 is a deficient number, since it is larger than the sum of its proper divisors (1).

115523 is an equidigital number, since it uses as much as digits as its factorization.

115523 is an evil number, because the sum of its binary digits is even.

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

The square root of 115523 is about 339.8867458434. The cubic root of 115523 is about 48.7030492520.

It can be divided in two parts, 1155 and 23, that multiplied together give a triangular number (26565 = T₂₃₀).

The spelling of 115523 in words is "one hundred fifteen thousand, five hundred twenty-three".