40923523 has 4 divisors (see below), whose sum is σ = 40993128. Its totient is φ = 40853920.

The previous prime is 40923499. The next prime is 40923551. The reversal of 40923523 is 32532904.

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 40923523 - 2¹³ = 40915331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40923491 and 40923500.

It is not an unprimeable number, because it can be changed into a prime (40923563) 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, 33913 + ... + 35098.

It is an arithmetic number, because the mean of its divisors is an integer number (10248282).

Almost surely, 2^40923523 is an apocalyptic number.

40923523 is a deficient number, since it is larger than the sum of its proper divisors (69605).

40923523 is an equidigital number, since it uses as much as digits as its factorization.

40923523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69604.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 40923523 is about 6397.1495996264. The cubic root of 40923523 is about 344.6071927821.

It can be divided in two parts, 409 and 23523, that added together give a palindrome (23932).

The spelling of 40923523 in words is "forty million, nine hundred twenty-three thousand, five hundred twenty-three".