130223023421021 has 8 divisors (see below), whose sum is σ = 131566309646520. Its totient is φ = 128879753131008.

The previous prime is 130223023421003. The next prime is 130223023421053. The reversal of 130223023421021 is 120124320322031.

It can be written as a sum of positive squares in 4 ways, for example, as 17591733062500 + 112631290358521 = 4194250^2 + 10612789^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130223023421021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130223023621021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12807335 + ... + 20602763.

It is an arithmetic number, because the mean of its divisors is an integer number (16445788705815).

Almost surely, 2^{130223023421021} is an apocalyptic number.

It is an amenable number.

130223023421021 is a deficient number, since it is larger than the sum of its proper divisors (1343286225499).

130223023421021 is an equidigital number, since it uses as much as digits as its factorization.

130223023421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967743.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 130223023421021 its reverse (120124320322031), we get a palindrome (250347343743052).

The spelling of 130223023421021 in words is "one hundred thirty trillion, two hundred twenty-three billion, twenty-three million, four hundred twenty-one thousand, twenty-one".