523325553523420 has 12 divisors (see below), whose sum is σ = 1098983662399224. Its totient is φ = 209330221409360.

The previous prime is 523325553523411. The next prime is 523325553523459. The reversal of 523325553523420 is 24325355523325.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13083138838066 + ... + 13083138838105.

It is an arithmetic number, because the mean of its divisors is an integer number (91581971866602).

Almost surely, 2^{523325553523420} is an apocalyptic number.

It is an amenable number.

523325553523420 is an abundant number, since it is smaller than the sum of its proper divisors (575658108875804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523325553523420 is a wasteful number, since it uses less digits than its factorization.

523325553523420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26166277676180 (or 26166277676178 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 49.

The spelling of 523325553523420 in words is "five hundred twenty-three trillion, three hundred twenty-five billion, five hundred fifty-three million, five hundred twenty-three thousand, four hundred twenty".