40626023 has 4 divisors (see below), whose sum is σ = 40654728. Its totient is φ = 40597320.

The previous prime is 40626011. The next prime is 40626029. The reversal of 40626023 is 32062604.

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 40626023 - 2⁴ = 40626007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40626023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40626029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12113 + ... + 15098.

It is an arithmetic number, because the mean of its divisors is an integer number (10163682).

Almost surely, 2^40626023 is an apocalyptic number.

40626023 is a deficient number, since it is larger than the sum of its proper divisors (28705).

40626023 is a wasteful number, since it uses less digits than its factorization.

40626023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28704.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 40626023 is about 6373.8546422083. The cubic root of 40626023 is about 343.7701022734.

Adding to 40626023 its reverse (32062604), we get a palindrome (72688627).

The spelling of 40626023 in words is "forty million, six hundred twenty-six thousand, twenty-three".