130421523 has 8 divisors (see below), whose sum is σ = 181456128. Its totient is φ = 83167304.

The previous prime is 130421503. The next prime is 130421527. The reversal of 130421523 is 325124031.

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 130421523 - 2²⁶ = 63312659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130421523.

It is not an unprimeable number, because it can be changed into a prime (130421527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945015 + ... + 945152.

It is an arithmetic number, because the mean of its divisors is an integer number (22682016).

Almost surely, 2^130421523 is an apocalyptic number.

130421523 is a deficient number, since it is larger than the sum of its proper divisors (51034605).

130421523 is a wasteful number, since it uses less digits than its factorization.

130421523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890193.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 130421523 is about 11420.2242972719. The cubic root of 130421523 is about 507.1266368226.

Adding to 130421523 its reverse (325124031), we get a palindrome (455545554).

The spelling of 130421523 in words is "one hundred thirty million, four hundred twenty-one thousand, five hundred twenty-three".