523142433011 has 4 divisors (see below), whose sum is σ = 570700836024. Its totient is φ = 475584030000.

The previous prime is 523142433007. The next prime is 523142433013. The reversal of 523142433011 is 110334241325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523142433011 - 2² = 523142433007 is a prime.

It is a super-2 number, since 2×523142433011² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523142433013) 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, 23779201490 + ... + 23779201511.

It is an arithmetic number, because the mean of its divisors is an integer number (142675209006).

Almost surely, 2^523142433011 is an apocalyptic number.

523142433011 is a deficient number, since it is larger than the sum of its proper divisors (47558403013).

523142433011 is a wasteful number, since it uses less digits than its factorization.

523142433011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47558403012.

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

Adding to 523142433011 its reverse (110334241325), we get a palindrome (633476674336).

The spelling of 523142433011 in words is "five hundred twenty-three billion, one hundred forty-two million, four hundred thirty-three thousand, eleven".