40822823 has 2 divisors, whose sum is σ = 40822824. Its totient is φ = 40822822.

The previous prime is 40822813. The next prime is 40822829. The reversal of 40822823 is 32822804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40822823 - 2⁶ = 40822759 is a prime.

It is a Sophie Germain prime.

It is equal to p_2480690 and since 40822823 and 2480690 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40822829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20411411 + 20411412.

It is an arithmetic number, because the mean of its divisors is an integer number (20411412).

Almost surely, 2^40822823 is an apocalyptic number.

40822823 is a deficient number, since it is larger than the sum of its proper divisors (1).

40822823 is an equidigital number, since it uses as much as digits as its factorization.

40822823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 40822823 is about 6389.2740589209. The cubic root of 40822823 is about 344.3243037549.

The spelling of 40822823 in words is "forty million, eight hundred twenty-two thousand, eight hundred twenty-three".