523820148572 has 24 divisors (see below), whose sum is σ = 1109266197984. Its totient is φ = 211288799232.

The previous prime is 523820148571. The next prime is 523820148637. The reversal of 523820148572 is 275841028325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523820148571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550230773 + ... + 550231724.

It is an arithmetic number, because the mean of its divisors is an integer number (46219424916).

Almost surely, 2^523820148572 is an apocalyptic number.

It is an amenable number.

523820148572 is an abundant number, since it is smaller than the sum of its proper divisors (585446049412).

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

523820148572 is a wasteful number, since it uses less digits than its factorization.

523820148572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100462525 (or 1100462523 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 523820148572 in words is "five hundred twenty-three billion, eight hundred twenty million, one hundred forty-eight thousand, five hundred seventy-two".