523040021316612 has 96 divisors (see below), whose sum is σ = 1356627721881600. Its totient is φ = 174269792717856.

The previous prime is 523040021316511. The next prime is 523040021316641. The reversal of 523040021316612 is 216613120040325.

523040021316612 is a `hidden beast` number, since 5 + 2 + 3 + 0 + 4 + 0 + 0 + 2 + 1 + 31 + 6 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4665653353 + ... + 4665765455.

It is an arithmetic number, because the mean of its divisors is an integer number (14131538769600).

Almost surely, 2^{523040021316612} is an apocalyptic number.

It is an amenable number.

523040021316612 is an abundant number, since it is smaller than the sum of its proper divisors (833587700564988).

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

523040021316612 is a wasteful number, since it uses less digits than its factorization.

523040021316612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130782 (or 130774 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 523040021316612 its reverse (216613120040325), we get a palindrome (739653141356937).

The spelling of 523040021316612 in words is "five hundred twenty-three trillion, forty billion, twenty-one million, three hundred sixteen thousand, six hundred twelve".