40343003 has 2 divisors, whose sum is σ = 40343004. Its totient is φ = 40343002.

The previous prime is 40342999. The next prime is 40343029. The reversal of 40343003 is 30034304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40343003 - 2² = 40342999 is a prime.

It is not a weakly prime, because it can be changed into another prime (40343033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171501 + 20171502.

It is an arithmetic number, because the mean of its divisors is an integer number (20171502).

Almost surely, 2^40343003 is an apocalyptic number.

40343003 is a deficient number, since it is larger than the sum of its proper divisors (1).

40343003 is an equidigital number, since it uses as much as digits as its factorization.

40343003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40343003 is about 6351.6142042791. The cubic root of 40343003 is about 342.9699531970.

Adding to 40343003 its reverse (30034304), we get a palindrome (70377307).

The spelling of 40343003 in words is "forty million, three hundred forty-three thousand, three".