523868101 has 4 divisors (see below), whose sum is σ = 540767104. Its totient is φ = 506969100.

The previous prime is 523868087. The next prime is 523868117. The reversal of 523868101 is 101868325.

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 523868101 - 2⁵ = 523868069 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 (523868131) 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, 8449455 + ... + 8449516.

It is an arithmetic number, because the mean of its divisors is an integer number (135191776).

Almost surely, 2^523868101 is an apocalyptic number.

It is an amenable number.

523868101 is a deficient number, since it is larger than the sum of its proper divisors (16899003).

523868101 is a wasteful number, since it uses less digits than its factorization.

523868101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16899002.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 523868101 is about 22888.1650859129. The cubic root of 523868101 is about 806.1341476787.

It can be divided in two parts, 523 and 868101, that added together give a square (868624 = 932²).

The spelling of 523868101 in words is "five hundred twenty-three million, eight hundred sixty-eight thousand, one hundred one".