40716523 has 4 divisors (see below), whose sum is σ = 41582880. Its totient is φ = 39850168.

The previous prime is 40716491. The next prime is 40716527. The reversal of 40716523 is 32561704.

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 40716523 - 2⁵ = 40716491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40716491 and 40716500.

It is not an unprimeable number, because it can be changed into a prime (40716527) 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, 433108 + ... + 433201.

It is an arithmetic number, because the mean of its divisors is an integer number (10395720).

Almost surely, 2^40716523 is an apocalyptic number.

40716523 is a deficient number, since it is larger than the sum of its proper divisors (866357).

40716523 is an equidigital number, since it uses as much as digits as its factorization.

40716523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866356.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 40716523 is about 6380.9500076399. The cubic root of 40716523 is about 344.0251778714.

The spelling of 40716523 in words is "forty million, seven hundred sixteen thousand, five hundred twenty-three".