40230247 has 2 divisors, whose sum is σ = 40230248. Its totient is φ = 40230246.

The previous prime is 40230191. The next prime is 40230257. The reversal of 40230247 is 74203204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40230247 - 2⁷ = 40230119 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40230257) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115123 + 20115124.

It is an arithmetic number, because the mean of its divisors is an integer number (20115124).

Almost surely, 2^40230247 is an apocalyptic number.

40230247 is a deficient number, since it is larger than the sum of its proper divisors (1).

40230247 is an equidigital number, since it uses as much as digits as its factorization.

40230247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40230247 is about 6342.7318246951. The cubic root of 40230247 is about 342.6501290087.

The spelling of 40230247 in words is "forty million, two hundred thirty thousand, two hundred forty-seven".