40344103 has 2 divisors, whose sum is σ = 40344104. Its totient is φ = 40344102.

The previous prime is 40344091. The next prime is 40344131. The reversal of 40344103 is 30144304.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40344103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40344203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172051 + 20172052.

It is an arithmetic number, because the mean of its divisors is an integer number (20172052).

Almost surely, 2^40344103 is an apocalyptic number.

40344103 is a deficient number, since it is larger than the sum of its proper divisors (1).

40344103 is an equidigital number, since it uses as much as digits as its factorization.

40344103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40344103 is about 6351.7007958499. The cubic root of 40344103 is about 342.9730703301.

Adding to 40344103 its reverse (30144304), we get a palindrome (70488407).

The spelling of 40344103 in words is "forty million, three hundred forty-four thousand, one hundred three".