102106523 has 8 divisors (see below), whose sum is σ = 104729856. Its totient is φ = 99489600.

The previous prime is 102106519. The next prime is 102106531. The reversal of 102106523 is 325601201.

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 102106523 - 2² = 102106519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102106495 and 102106504.

It is not an unprimeable number, because it can be changed into a prime (102106583) 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, 59465 + ... + 61157.

It is an arithmetic number, because the mean of its divisors is an integer number (13091232).

Almost surely, 2^102106523 is an apocalyptic number.

102106523 is a deficient number, since it is larger than the sum of its proper divisors (2623333).

102106523 is a wasteful number, since it uses less digits than its factorization.

102106523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 102106523 is about 10104.7772365352. Note that the first 3 decimals coincide. The cubic root of 102106523 is about 467.3954667288.

Adding to 102106523 its reverse (325601201), we get a palindrome (427707724).

The spelling of 102106523 in words is "one hundred two million, one hundred six thousand, five hundred twenty-three".