523313342155401 has 32 divisors (see below), whose sum is σ = 808361143726848. Its totient is φ = 294937039088640.

The previous prime is 523313342155391. The next prime is 523313342155453. The reversal of 523313342155401 is 104551243313325.

It is not a de Polignac number, because 523313342155401 - 2⁶ = 523313342155337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (523313342155301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167482125 + ... + 170578101.

It is an arithmetic number, because the mean of its divisors is an integer number (25261285741464).

Almost surely, 2^{523313342155401} is an apocalyptic number.

It is an amenable number.

523313342155401 is a deficient number, since it is larger than the sum of its proper divisors (285047801571447).

523313342155401 is a wasteful number, since it uses less digits than its factorization.

523313342155401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206321.

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 523313342155401 its reverse (104551243313325), we get a palindrome (627864585468726).

The spelling of 523313342155401 in words is "five hundred twenty-three trillion, three hundred thirteen billion, three hundred forty-two million, one hundred fifty-five thousand, four hundred one".