523405411 has 8 divisors (see below), whose sum is σ = 549782784. Its totient is φ = 497329800.

The previous prime is 523405381. The next prime is 523405423. The reversal of 523405411 is 114504325.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 523405411 - 2¹³ = 523397219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523405451) 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, 71881 + ... + 78826.

It is an arithmetic number, because the mean of its divisors is an integer number (68722848).

Almost surely, 2^523405411 is an apocalyptic number.

523405411 is a deficient number, since it is larger than the sum of its proper divisors (26377373).

523405411 is a wasteful number, since it uses less digits than its factorization.

523405411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150881.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 523405411 is about 22878.0552276630. The cubic root of 523405411 is about 805.8967469077.

Adding to 523405411 its reverse (114504325), we get a palindrome (637909736).

The spelling of 523405411 in words is "five hundred twenty-three million, four hundred five thousand, four hundred eleven".