523890585404 has 6 divisors (see below), whose sum is σ = 916808524464. Its totient is φ = 261945292700.

The previous prime is 523890585367. The next prime is 523890585457. The reversal of 523890585404 is 404585098325.

It is a happy number.

It is a super-2 number, since 2×523890585404² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65486323172 + ... + 65486323179.

It is an arithmetic number, because the mean of its divisors is an integer number (152801420744).

Almost surely, 2^523890585404 is an apocalyptic number.

It is an amenable number.

523890585404 is a deficient number, since it is larger than the sum of its proper divisors (392917939060).

523890585404 is a wasteful number, since it uses less digits than its factorization.

523890585404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130972646355 (or 130972646353 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 523890585404 in words is "five hundred twenty-three billion, eight hundred ninety million, five hundred eighty-five thousand, four hundred four".