40838323 has 2 divisors, whose sum is σ = 40838324. Its totient is φ = 40838322.

The previous prime is 40838279. The next prime is 40838327. The reversal of 40838323 is 32383804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40838323 - 2²⁵ = 7283891 is a prime.

It is not a weakly prime, because it can be changed into another prime (40838327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20419161 + 20419162.

It is an arithmetic number, because the mean of its divisors is an integer number (20419162).

Almost surely, 2^40838323 is an apocalyptic number.

40838323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40838323 is an equidigital number, since it uses as much as digits as its factorization.

40838323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40838323 is about 6390.4869141561. The cubic root of 40838323 is about 344.3678770226.

The spelling of 40838323 in words is "forty million, eight hundred thirty-eight thousand, three hundred twenty-three".