523112144 has 10 divisors (see below), whose sum is σ = 1013529810. Its totient is φ = 261556064.

The previous prime is 523112131. The next prime is 523112147. The reversal of 523112144 is 441211325.

It can be written as a sum of positive squares in only one way, i.e., 351187600 + 171924544 = 18740^2 + 13112^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523112147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16347239 + ... + 16347270.

It is an arithmetic number, because the mean of its divisors is an integer number (101352981).

Almost surely, 2^523112144 is an apocalyptic number.

It is an amenable number.

523112144 is a deficient number, since it is larger than the sum of its proper divisors (490417666).

523112144 is a wasteful number, since it uses less digits than its factorization.

523112144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32694517 (or 32694511 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 523112144 is about 22871.6449780072. The cubic root of 523112144 is about 805.7462026250.

Adding to 523112144 its reverse (441211325), we get a palindrome (964323469).

The spelling of 523112144 in words is "five hundred twenty-three million, one hundred twelve thousand, one hundred forty-four".