40214323 has 2 divisors, whose sum is σ = 40214324. Its totient is φ = 40214322.

The previous prime is 40214263. The next prime is 40214359. The reversal of 40214323 is 32341204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40214323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40214323.

It is not a weakly prime, because it can be changed into another prime (40214123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20107161 + 20107162.

It is an arithmetic number, because the mean of its divisors is an integer number (20107162).

Almost surely, 2^40214323 is an apocalyptic number.

40214323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40214323 is an equidigital number, since it uses as much as digits as its factorization.

40214323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40214323 is about 6341.4764053807. The cubic root of 40214323 is about 342.6049136038.

Adding to 40214323 its reverse (32341204), we get a palindrome (72555527).

The spelling of 40214323 in words is "forty million, two hundred fourteen thousand, three hundred twenty-three".