38523630239 has 2 divisors, whose sum is σ = 38523630240. Its totient is φ = 38523630238.

The previous prime is 38523630227. The next prime is 38523630287. The reversal of 38523630239 is 93203632583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38523630239 - 2³² = 34228662943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38523630239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38523630539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19261815119 + 19261815120.

It is an arithmetic number, because the mean of its divisors is an integer number (19261815120).

Almost surely, 2^38523630239 is an apocalyptic number.

38523630239 is a deficient number, since it is larger than the sum of its proper divisors (1).

38523630239 is an equidigital number, since it uses as much as digits as its factorization.

38523630239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 38523630239 in words is "thirty-eight billion, five hundred twenty-three million, six hundred thirty thousand, two hundred thirty-nine".