523235012235312 has 160 divisors (see below), whose sum is σ = 1474482473956800. Its totient is φ = 158925355831296.

The previous prime is 523235012235301. The next prime is 523235012235317. The reversal of 523235012235312 is 213532210532325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (523235012235317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3997378 + ... + 32595230.

It is an arithmetic number, because the mean of its divisors is an integer number (9215515462230).

Almost surely, 2^{523235012235312} is an apocalyptic number.

523235012235312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523235012235312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737241236978400).

523235012235312 is an abundant number, since it is smaller than the sum of its proper divisors (951247461721488).

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

523235012235312 is a wasteful number, since it uses less digits than its factorization.

523235012235312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28598255 (or 28598249 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 523235012235312 its reverse (213532210532325), we get a palindrome (736767222767637).

The spelling of 523235012235312 in words is "five hundred twenty-three trillion, two hundred thirty-five billion, twelve million, two hundred thirty-five thousand, three hundred twelve".