523128053 has 4 divisors (see below), whose sum is σ = 597860640. Its totient is φ = 448395468.

The previous prime is 523128049. The next prime is 523128059. The reversal of 523128053 is 350821325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 523128053 - 2² = 523128049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523128059) 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, 37366283 + ... + 37366296.

It is an arithmetic number, because the mean of its divisors is an integer number (149465160).

Almost surely, 2^523128053 is an apocalyptic number.

It is an amenable number.

523128053 is a deficient number, since it is larger than the sum of its proper divisors (74732587).

523128053 is an equidigital number, since it uses as much as digits as its factorization.

523128053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74732586.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 523128053 is about 22871.9927640772. The cubic root of 523128053 is about 805.7543707183.

Adding to 523128053 its reverse (350821325), we get a palindrome (873949378).

The spelling of 523128053 in words is "five hundred twenty-three million, one hundred twenty-eight thousand, fifty-three".