40623343 has 2 divisors, whose sum is σ = 40623344. Its totient is φ = 40623342.

The previous prime is 40623293. The next prime is 40623371. The reversal of 40623343 is 34332604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40623343 - 2¹⁷ = 40492271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40623383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20311671 + 20311672.

It is an arithmetic number, because the mean of its divisors is an integer number (20311672).

Almost surely, 2^40623343 is an apocalyptic number.

40623343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40623343 is an equidigital number, since it uses as much as digits as its factorization.

40623343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 40623343 is about 6373.6444048911. The cubic root of 40623343 is about 343.7625428812.

Adding to 40623343 its reverse (34332604), we get a palindrome (74955947).

The spelling of 40623343 in words is "forty million, six hundred twenty-three thousand, three hundred forty-three".