38422823 has 2 divisors, whose sum is σ = 38422824. Its totient is φ = 38422822.

The previous prime is 38422819. The next prime is 38422843. The reversal of 38422823 is 32822483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38422823 - 2² = 38422819 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 38422823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38422843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19211411 + 19211412.

It is an arithmetic number, because the mean of its divisors is an integer number (19211412).

Almost surely, 2^38422823 is an apocalyptic number.

38422823 is a deficient number, since it is larger than the sum of its proper divisors (1).

38422823 is an equidigital number, since it uses as much as digits as its factorization.

38422823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 32.

The square root of 38422823 is about 6198.6146032803. The cubic root of 38422823 is about 337.4398919933.

The spelling of 38422823 in words is "thirty-eight million, four hundred twenty-two thousand, eight hundred twenty-three".