130623453 has 12 divisors (see below), whose sum is σ = 195184860. Its totient is φ = 84079296.

The previous prime is 130623439. The next prime is 130623517. The reversal of 130623453 is 354326031.

It is a happy number.

130623453 is a `hidden beast` number, since 1 + 30 + 623 + 4 + 5 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 90212004 + 40411449 = 9498^2 + 6357^2 .

It is not a de Polignac number, because 130623453 - 2⁹ = 130622941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130623403) 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 11 ways as a sum of consecutive naturals, for example, 249976 + ... + 250497.

It is an arithmetic number, because the mean of its divisors is an integer number (16265405).

Almost surely, 2^130623453 is an apocalyptic number.

It is an amenable number.

130623453 is a deficient number, since it is larger than the sum of its proper divisors (64561407).

130623453 is a wasteful number, since it uses less digits than its factorization.

130623453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500508 (or 500505 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 130623453 is about 11429.0617725166. The cubic root of 130623453 is about 507.3882277894.

Adding to 130623453 its reverse (354326031), we get a palindrome (484949484).

The spelling of 130623453 in words is "one hundred thirty million, six hundred twenty-three thousand, four hundred fifty-three".