40623607 has 2 divisors, whose sum is σ = 40623608. Its totient is φ = 40623606.

The previous prime is 40623601. The next prime is 40623643. The reversal of 40623607 is 70632604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40623607 is a prime.

It is equal to p_2469241 and since 40623607 and 2469241 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40623601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20311803 + 20311804.

It is an arithmetic number, because the mean of its divisors is an integer number (20311804).

Almost surely, 2^40623607 is an apocalyptic number.

40623607 is a deficient number, since it is larger than the sum of its proper divisors (1).

40623607 is an equidigital number, since it uses as much as digits as its factorization.

40623607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 40623607 is about 6373.6651151437. The cubic root of 40623607 is about 343.7632875525.

The spelling of 40623607 in words is "forty million, six hundred twenty-three thousand, six hundred seven".