67523 has 2 divisors, whose sum is σ = 67524. Its totient is φ = 67522.

The previous prime is 67511. The next prime is 67531. The reversal of 67523 is 32576.

It is a strong prime.

67523 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 67523 - 2¹⁰ = 66499 is a prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (67723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33761 + 33762.

It is an arithmetic number, because the mean of its divisors is an integer number (33762).

2⁶⁷⁵²³ is an apocalyptic number.

67523 is a deficient number, since it is larger than the sum of its proper divisors (1).

67523 is an equidigital number, since it uses as much as digits as its factorization.

67523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 23.

The square root of 67523 is about 259.8518808860. The cubic root of 67523 is about 40.7208882871.

The spelling of 67523 in words is "sixty-seven thousand, five hundred twenty-three".