523101664653 has 16 divisors (see below), whose sum is σ = 699828633600. Its totient is φ = 347555973744.

The previous prime is 523101664649. The next prime is 523101664663. The reversal of 523101664653 is 356466101325.

It is not a de Polignac number, because 523101664653 - 2² = 523101664649 is a prime.

It is a super-2 number, since 2×523101664653² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523101664663) 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 15 ways as a sum of consecutive naturals, for example, 1322448 + ... + 1671846.

It is an arithmetic number, because the mean of its divisors is an integer number (43739289600).

Almost surely, 2^523101664653 is an apocalyptic number.

It is an amenable number.

523101664653 is a deficient number, since it is larger than the sum of its proper divisors (176726968947).

523101664653 is a wasteful number, since it uses less digits than its factorization.

523101664653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351088.

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 523101664653 its reverse (356466101325), we get a palindrome (879567765978).

The spelling of 523101664653 in words is "five hundred twenty-three billion, one hundred one million, six hundred sixty-four thousand, six hundred fifty-three".