235523 has 2 divisors, whose sum is σ = 235524. Its totient is φ = 235522.

The previous prime is 235519. The next prime is 235537. The reversal of 235523 is 325532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 235523 - 2² = 235519 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 235495 and 235504.

It is not a weakly prime, because it can be changed into another prime (235513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117761 + 117762.

It is an arithmetic number, because the mean of its divisors is an integer number (117762).

2²³⁵⁵²³ is an apocalyptic number.

235523 is a deficient number, since it is larger than the sum of its proper divisors (1).

235523 is an equidigital number, since it uses as much as digits as its factorization.

235523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900, while the sum is 20.

The square root of 235523 is about 485.3071192554. The cubic root of 235523 is about 61.7558032431.

Subtracting 235523 from its reverse (325532), we obtain a palindrome (90009).

The spelling of 235523 in words is "two hundred thirty-five thousand, five hundred twenty-three".