523384039 has 2 divisors, whose sum is σ = 523384040. Its totient is φ = 523384038.

The previous prime is 523384031. The next prime is 523384061. The reversal of 523384039 is 930483325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 523384039 - 2³ = 523384031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523383989 and 523384007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523384031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261692019 + 261692020.

It is an arithmetic number, because the mean of its divisors is an integer number (261692020).

Almost surely, 2^523384039 is an apocalyptic number.

523384039 is a deficient number, since it is larger than the sum of its proper divisors (1).

523384039 is an equidigital number, since it uses as much as digits as its factorization.

523384039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 523384039 is about 22877.5881377386. The cubic root of 523384039 is about 805.8857778071.

The spelling of 523384039 in words is "five hundred twenty-three million, three hundred eighty-four thousand, thirty-nine".