523000135244 has 24 divisors (see below), whose sum is σ = 935267352768. Its totient is φ = 255787364480.

The previous prime is 523000135243. The next prime is 523000135289. The reversal of 523000135244 is 442531000325.

It is a happy number.

It is a super-3 number, since 3×523000135244³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (523000135243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484679 + ... + 1131774.

It is an arithmetic number, because the mean of its divisors is an integer number (38969473032).

Almost surely, 2^523000135244 is an apocalyptic number.

It is an amenable number.

523000135244 is a deficient number, since it is larger than the sum of its proper divisors (412267217524).

523000135244 is a wasteful number, since it uses less digits than its factorization.

523000135244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618225 (or 1618223 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 523000135244 its reverse (442531000325), we get a palindrome (965531135569).

The spelling of 523000135244 in words is "five hundred twenty-three billion, one hundred thirty-five thousand, two hundred forty-four".