38523239 has 2 divisors, whose sum is σ = 38523240. Its totient is φ = 38523238.

The previous prime is 38523217. The next prime is 38523263. The reversal of 38523239 is 93232583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38523239 - 2⁸ = 38522983 is a prime.

It is a super-2 number, since 2×38523239² = 2968079886102242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 38523199 and 38523208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38523439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19261619 + 19261620.

It is an arithmetic number, because the mean of its divisors is an integer number (19261620).

Almost surely, 2^38523239 is an apocalyptic number.

38523239 is a deficient number, since it is larger than the sum of its proper divisors (1).

38523239 is an equidigital number, since it uses as much as digits as its factorization.

38523239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 38523239 is about 6206.7091924787. The cubic root of 38523239 is about 337.7335966720.

The spelling of 38523239 in words is "thirty-eight million, five hundred twenty-three thousand, two hundred thirty-nine".