523241521031644 has 6 divisors (see below), whose sum is σ = 915672661805384. Its totient is φ = 261620760515820.

The previous prime is 523241521031639. The next prime is 523241521031659. The reversal of 523241521031644 is 446130125142325.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 523241521031644.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65405190128952 + ... + 65405190128959.

Almost surely, 2^{523241521031644} is an apocalyptic number.

It is an amenable number.

523241521031644 is a deficient number, since it is larger than the sum of its proper divisors (392431140773740).

523241521031644 is a wasteful number, since it uses less digits than its factorization.

523241521031644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130810380257915 (or 130810380257913 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 523241521031644 its reverse (446130125142325), we get a palindrome (969371646173969).

The spelling of 523241521031644 in words is "five hundred twenty-three trillion, two hundred forty-one billion, five hundred twenty-one million, thirty-one thousand, six hundred forty-four".