130123221223 has 4 divisors (see below), whose sum is σ = 133296958368. Its totient is φ = 126949484080.

The previous prime is 130123221187. The next prime is 130123221341. The reversal of 130123221223 is 322122321031.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-130123221223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130123221194 and 130123221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123221623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586868511 + ... + 1586868592.

It is an arithmetic number, because the mean of its divisors is an integer number (33324239592).

Almost surely, 2^130123221223 is an apocalyptic number.

130123221223 is a deficient number, since it is larger than the sum of its proper divisors (3173737145).

130123221223 is an equidigital number, since it uses as much as digits as its factorization.

130123221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173737144.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 130123221223 its reverse (322122321031), we get a palindrome (452245542254).

The spelling of 130123221223 in words is "one hundred thirty billion, one hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-three".