40354103 has 2 divisors, whose sum is σ = 40354104. Its totient is φ = 40354102.

The previous prime is 40354091. The next prime is 40354163. The reversal of 40354103 is 30145304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40354103 - 2²⁴ = 23576887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40354163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177051 + 20177052.

It is an arithmetic number, because the mean of its divisors is an integer number (20177052).

Almost surely, 2^40354103 is an apocalyptic number.

40354103 is a deficient number, since it is larger than the sum of its proper divisors (1).

40354103 is an equidigital number, since it uses as much as digits as its factorization.

40354103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40354103 is about 6352.4879378083. The cubic root of 40354103 is about 343.0014053044.

Adding to 40354103 its reverse (30145304), we get a palindrome (70499407).

The spelling of 40354103 in words is "forty million, three hundred fifty-four thousand, one hundred three".