130523811 has 8 divisors (see below), whose sum is σ = 189852864. Its totient is φ = 79105320.

The previous prime is 130523803. The next prime is 130523819. The reversal of 130523811 is 118325031.

It is an interprime number because it is at equal distance from previous prime (130523803) and next prime (130523819).

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

It is not a de Polignac number, because 130523811 - 2³ = 130523803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130523819) 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, 1977601 + ... + 1977666.

It is an arithmetic number, because the mean of its divisors is an integer number (23731608).

Almost surely, 2^130523811 is an apocalyptic number.

130523811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130523811 is a deficient number, since it is larger than the sum of its proper divisors (59329053).

130523811 is a wasteful number, since it uses less digits than its factorization.

130523811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955281.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 130523811 is about 11424.7017904189. The cubic root of 130523811 is about 507.2591799107.

Adding to 130523811 its reverse (118325031), we get a palindrome (248848842).

The spelling of 130523811 in words is "one hundred thirty million, five hundred twenty-three thousand, eight hundred eleven".