40353043 has 2 divisors, whose sum is σ = 40353044. Its totient is φ = 40353042.

The previous prime is 40353029. The next prime is 40353059. The reversal of 40353043 is 34035304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40353043 - 2⁹ = 40352531 is a prime.

It is not a weakly prime, because it can be changed into another prime (40350043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20176521 + 20176522.

It is an arithmetic number, because the mean of its divisors is an integer number (20176522).

Almost surely, 2^40353043 is an apocalyptic number.

40353043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40353043 is an equidigital number, since it uses as much as digits as its factorization.

40353043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 40353043 is about 6352.4045053822. The cubic root of 40353043 is about 342.9984020189.

Adding to 40353043 its reverse (34035304), we get a palindrome (74388347).

The spelling of 40353043 in words is "forty million, three hundred fifty-three thousand, forty-three".