130220623 has 8 divisors (see below), whose sum is σ = 147618800. Its totient is φ = 113876928.

The previous prime is 130220579. The next prime is 130220639. The reversal of 130220623 is 326022031.

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 130220623 - 2¹⁷ = 130089551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 130220623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130220653) 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, 263358 + ... + 263851.

It is an arithmetic number, because the mean of its divisors is an integer number (18452350).

Almost surely, 2^130220623 is an apocalyptic number.

130220623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130220623 is a deficient number, since it is larger than the sum of its proper divisors (17398177).

130220623 is a wasteful number, since it uses less digits than its factorization.

130220623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527241.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130220623 is about 11411.4251081975. The cubic root of 130220623 is about 506.8661120863.

Adding to 130220623 its reverse (326022031), we get a palindrome (456242654).

The spelling of 130220623 in words is "one hundred thirty million, two hundred twenty thousand, six hundred twenty-three".