40344203 has 2 divisors, whose sum is σ = 40344204. Its totient is φ = 40344202.

The previous prime is 40344181. The next prime is 40344211. The reversal of 40344203 is 30244304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40344203 - 2¹⁸ = 40082059 is a prime.

It is not a weakly prime, because it can be changed into another prime (40344223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20172101 + 20172102.

It is an arithmetic number, because the mean of its divisors is an integer number (20172102).

Almost surely, 2^40344203 is an apocalyptic number.

40344203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40344203 is an equidigital number, since it uses as much as digits as its factorization.

40344203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 40344203 is about 6351.7086677523. The cubic root of 40344203 is about 342.9733537030.

Adding to 40344203 its reverse (30244304), we get a palindrome (70588507).

The spelling of 40344203 in words is "forty million, three hundred forty-four thousand, two hundred three".