40523523 has 16 divisors (see below), whose sum is σ = 57446400. Its totient is φ = 25336800.

The previous prime is 40523521. The next prime is 40523531. The reversal of 40523523 is 32532504.

It is not a de Polignac number, because 40523523 - 2¹ = 40523521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40523493 and 40523502.

It is not an unprimeable number, because it can be changed into a prime (40523521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2238 + ... + 9276.

It is an arithmetic number, because the mean of its divisors is an integer number (3590400).

Almost surely, 2^40523523 is an apocalyptic number.

40523523 is a deficient number, since it is larger than the sum of its proper divisors (16922877).

40523523 is a wasteful number, since it uses less digits than its factorization.

40523523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7162.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 40523523 is about 6365.8089038236. The cubic root of 40523523 is about 343.4807465971.

The spelling of 40523523 in words is "forty million, five hundred twenty-three thousand, five hundred twenty-three".