40230329 has 2 divisors, whose sum is σ = 40230330. Its totient is φ = 40230328.

The previous prime is 40230301. The next prime is 40230331. The reversal of 40230329 is 92303204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39980329 + 250000 = 6323^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 40230329 - 2¹⁶ = 40164793 is a prime.

Together with 40230331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40230629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20115164 + 20115165.

It is an arithmetic number, because the mean of its divisors is an integer number (20115165).

Almost surely, 2^40230329 is an apocalyptic number.

It is an amenable number.

40230329 is a deficient number, since it is larger than the sum of its proper divisors (1).

40230329 is an equidigital number, since it uses as much as digits as its factorization.

40230329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40230329 is about 6342.7382887835. The cubic root of 40230329 is about 342.6503618127.

The spelling of 40230329 in words is "forty million, two hundred thirty thousand, three hundred twenty-nine".