523245101 has 4 divisors (see below), whose sum is σ = 545994912. Its totient is φ = 500495292.

The previous prime is 523245011. The next prime is 523245127. The reversal of 523245101 is 101542325.

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 523245101 - 2²⁶ = 456136237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 22749787 = 523245101 / (5 + 2 + 3 + 2 + 4 + 5 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523245181) 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, 11374871 + ... + 11374916.

It is an arithmetic number, because the mean of its divisors is an integer number (136498728).

Almost surely, 2^523245101 is an apocalyptic number.

It is an amenable number.

523245101 is a deficient number, since it is larger than the sum of its proper divisors (22749811).

523245101 is a wasteful number, since it uses less digits than its factorization.

523245101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22749810.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 523245101 is about 22874.5513835791. The cubic root of 523245101 is about 805.8144611072.

Adding to 523245101 its reverse (101542325), we get a palindrome (624787426).

The spelling of 523245101 in words is "five hundred twenty-three million, two hundred forty-five thousand, one hundred one".