40606623 has 16 divisors (see below), whose sum is σ = 61058560. Its totient is φ = 26665848.

The previous prime is 40606619. The next prime is 40606627. The reversal of 40606623 is 32660604.

It is an interprime number because it is at equal distance from previous prime (40606619) and next prime (40606627).

It is not a de Polignac number, because 40606623 - 2² = 40606619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40606627) 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 15 ways as a sum of consecutive naturals, for example, 9415 + ... + 13032.

It is an arithmetic number, because the mean of its divisors is an integer number (3816160).

Almost surely, 2^40606623 is an apocalyptic number.

40606623 is a deficient number, since it is larger than the sum of its proper divisors (20451937).

40606623 is a wasteful number, since it uses less digits than its factorization.

40606623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22523 (or 22517 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40606623 is about 6372.3326184373. The cubic root of 40606623 is about 343.7153737904.

The spelling of 40606623 in words is "forty million, six hundred six thousand, six hundred twenty-three".