40453523 has 8 divisors (see below), whose sum is σ = 46727280. Its totient is φ = 34612480.

The previous prime is 40453519. The next prime is 40453529. The reversal of 40453523 is 32535404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40453523 - 2² = 40453519 is a prime.

It is a super-2 number, since 2×40453523² = 3272975046223058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40453492 and 40453501.

It is not an unprimeable number, because it can be changed into a prime (40453529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107978 + ... + 108351.

It is an arithmetic number, because the mean of its divisors is an integer number (5840910).

Almost surely, 2^40453523 is an apocalyptic number.

40453523 is a deficient number, since it is larger than the sum of its proper divisors (6273757).

40453523 is a wasteful number, since it uses less digits than its factorization.

40453523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216357.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 40453523 is about 6360.3084044722. The cubic root of 40453523 is about 343.2828573379.

Adding to 40453523 its reverse (32535404), we get a palindrome (72988927).

The spelling of 40453523 in words is "forty million, four hundred fifty-three thousand, five hundred twenty-three".