40917323 has 2 divisors, whose sum is σ = 40917324. Its totient is φ = 40917322.

The previous prime is 40917319. The next prime is 40917329. The reversal of 40917323 is 32371904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40917323 - 2² = 40917319 is a prime.

It is equal to p_2486054 and since 40917323 and 2486054 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40917329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20458661 + 20458662.

It is an arithmetic number, because the mean of its divisors is an integer number (20458662).

Almost surely, 2^40917323 is an apocalyptic number.

40917323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40917323 is an equidigital number, since it uses as much as digits as its factorization.

40917323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 40917323 is about 6396.6649904462. The cubic root of 40917323 is about 344.5897889978.

The spelling of 40917323 in words is "forty million, nine hundred seventeen thousand, three hundred twenty-three".