153523 has 2 divisors, whose sum is σ = 153524. Its totient is φ = 153522.

The previous prime is 153521. The next prime is 153529. The reversal of 153523 is 325351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 153523 - 2¹ = 153521 is a prime.

Together with 153521, it forms a pair of twin primes.

153523 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 153523.

It is not a weakly prime, because it can be changed into another prime (153521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76761 + 76762.

It is an arithmetic number, because the mean of its divisors is an integer number (76762).

2¹⁵³⁵²³ is an apocalyptic number.

153523 is a deficient number, since it is larger than the sum of its proper divisors (1).

153523 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 153523 = (253531)₉.

153523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 19.

The square root of 153523 is about 391.8201117860. The cubic root of 153523 is about 53.5456854939.

Adding to 153523 its reverse (325351), we get a palindrome (478874).

It can be divided in two parts, 15352 and 3, that multiplied together give a triangular number (46056 = T₃₀₃).

The spelling of 153523 in words is "one hundred fifty-three thousand, five hundred twenty-three".