523044121331 has 8 divisors (see below), whose sum is σ = 535911362784. Its totient is φ = 510182121280.

The previous prime is 523044121321. The next prime is 523044121339. The reversal of 523044121331 is 133121440325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523044121331 is a prime.

It is a super-2 number, since 2×523044121331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523044121294 and 523044121303.

It is not an unprimeable number, because it can be changed into a prime (523044121339) 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, 1107935 + ... + 1507848.

It is an arithmetic number, because the mean of its divisors is an integer number (66988920348).

Almost surely, 2^523044121331 is an apocalyptic number.

523044121331 is a deficient number, since it is larger than the sum of its proper divisors (12867241453).

523044121331 is a wasteful number, since it uses less digits than its factorization.

523044121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620701.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 523044121331 its reverse (133121440325), we get a palindrome (656165561656).

The spelling of 523044121331 in words is "five hundred twenty-three billion, forty-four million, one hundred twenty-one thousand, three hundred thirty-one".