523114241521 has 4 divisors (see below), whose sum is σ = 523115858944. Its totient is φ = 523112624100.

The previous prime is 523114241513. The next prime is 523114241569. The reversal of 523114241521 is 125142411325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523114241521 - 2³ = 523114241513 is a prime.

It is a super-2 number, since 2×523114241521² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523114241501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138345 + ... + 1032166.

It is an arithmetic number, because the mean of its divisors is an integer number (130778964736).

Almost surely, 2^523114241521 is an apocalyptic number.

It is an amenable number.

523114241521 is a deficient number, since it is larger than the sum of its proper divisors (1617423).

523114241521 is a wasteful number, since it uses less digits than its factorization.

523114241521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617422.

The product of its digits is 9600, while the sum is 31.

Adding to 523114241521 its reverse (125142411325), we get a palindrome (648256652846).

The spelling of 523114241521 in words is "five hundred twenty-three billion, one hundred fourteen million, two hundred forty-one thousand, five hundred twenty-one".