38423129 has 2 divisors, whose sum is σ = 38423130. Its totient is φ = 38423128.

The previous prime is 38423113. The next prime is 38423171. The reversal of 38423129 is 92132483.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31663129 + 6760000 = 5627^2 + 2600^2 .

It is an emirp because it is prime and its reverse (92132483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38423129 - 2⁴ = 38423113 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 38423095 and 38423104.

It is not a weakly prime, because it can be changed into another prime (38428129) 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, 19211564 + 19211565.

It is an arithmetic number, because the mean of its divisors is an integer number (19211565).

Almost surely, 2^38423129 is an apocalyptic number.

It is an amenable number.

38423129 is a deficient number, since it is larger than the sum of its proper divisors (1).

38423129 is an equidigital number, since it uses as much as digits as its factorization.

38423129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 38423129 is about 6198.6392861660. The cubic root of 38423129 is about 337.4407877832.

The spelling of 38423129 in words is "thirty-eight million, four hundred twenty-three thousand, one hundred twenty-nine".