102530523 has 8 divisors (see below), whose sum is σ = 137962000. Its totient is φ = 67726368.

The previous prime is 102530521. The next prime is 102530531. The reversal of 102530523 is 325035201.

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

It is not a de Polignac number, because 102530523 - 2¹ = 102530521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102530523.

It is not an unprimeable number, because it can be changed into a prime (102530521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156448 + ... + 157101.

It is an arithmetic number, because the mean of its divisors is an integer number (17245250).

Almost surely, 2^102530523 is an apocalyptic number.

102530523 is a deficient number, since it is larger than the sum of its proper divisors (35431477).

102530523 is a wasteful number, since it uses less digits than its factorization.

102530523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313661.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 102530523 is about 10125.7356769768. The cubic root of 102530523 is about 468.0415305755.

Adding to 102530523 its reverse (325035201), we get a palindrome (427565724).

The spelling of 102530523 in words is "one hundred two million, five hundred thirty thousand, five hundred twenty-three".