523035140023 has 12 divisors (see below), whose sum is σ = 583003676304. Its totient is φ = 468789490400.

The previous prime is 523035139999. The next prime is 523035140039. The reversal of 523035140023 is 320041530325.

It is not a de Polignac number, because 523035140023 - 2³³ = 514445205431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523035139973 and 523035140000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523035140323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30432286 + ... + 30449467.

It is an arithmetic number, because the mean of its divisors is an integer number (48583639692).

Almost surely, 2^523035140023 is an apocalyptic number.

523035140023 is a deficient number, since it is larger than the sum of its proper divisors (59968536281).

523035140023 is a wasteful number, since it uses less digits than its factorization.

523035140023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60881846 (or 60881835 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 523035140023 its reverse (320041530325), we get a palindrome (843076670348).

The spelling of 523035140023 in words is "five hundred twenty-three billion, thirty-five million, one hundred forty thousand, twenty-three".