40903523 has 4 divisors (see below), whose sum is σ = 43056360. Its totient is φ = 38750688.

The previous prime is 40903517. The next prime is 40903531. The reversal of 40903523 is 32530904.

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 40903523 - 2⁴ = 40903507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40903492 and 40903501.

It is not an unprimeable number, because it can be changed into a prime (40903823) 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 in 3 ways as a sum of consecutive naturals, for example, 1076390 + ... + 1076427.

It is an arithmetic number, because the mean of its divisors is an integer number (10764090).

Almost surely, 2^40903523 is an apocalyptic number.

40903523 is a deficient number, since it is larger than the sum of its proper divisors (2152837).

40903523 is a wasteful number, since it uses less digits than its factorization.

40903523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152836.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 40903523 is about 6395.5862123812. The cubic root of 40903523 is about 344.5510452300.

The spelling of 40903523 in words is "forty million, nine hundred three thousand, five hundred twenty-three".