68083523 has 4 divisors (see below), whose sum is σ = 69016248. Its totient is φ = 67150800.

The previous prime is 68083513. The next prime is 68083529. The reversal of 68083523 is 32538086.

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 68083523 - 2¹⁶ = 68017987 is a prime.

It is a super-2 number, since 2×68083523² = 9270732208183058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68083529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466253 + ... + 466398.

It is an arithmetic number, because the mean of its divisors is an integer number (17254062).

Almost surely, 2^68083523 is an apocalyptic number.

68083523 is a deficient number, since it is larger than the sum of its proper divisors (932725).

68083523 is an equidigital number, since it uses as much as digits as its factorization.

68083523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932724.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 68083523 is about 8251.2740228404. The cubic root of 68083523 is about 408.3325555818.

The spelling of 68083523 in words is "sixty-eight million, eighty-three thousand, five hundred twenty-three".