523010039 has 4 divisors (see below), whose sum is σ = 523201824. Its totient is φ = 522818256.

The previous prime is 523010023. The next prime is 523010053. The reversal of 523010039 is 930010325.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523010039 - 2⁴ = 523010023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523009996 and 523010023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523010239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91742 + ... + 97275.

It is an arithmetic number, because the mean of its divisors is an integer number (130800456).

Almost surely, 2^523010039 is an apocalyptic number.

523010039 is a deficient number, since it is larger than the sum of its proper divisors (191785).

523010039 is a wasteful number, since it uses less digits than its factorization.

523010039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191784.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 523010039 is about 22869.4127384155. The cubic root of 523010039 is about 805.6937753266.

The spelling of 523010039 in words is "five hundred twenty-three million, ten thousand, thirty-nine".