123421143130 has 8 divisors (see below), whose sum is σ = 222158057652. Its totient is φ = 49368457248.

The previous prime is 123421143077. The next prime is 123421143163. The reversal of 123421143130 is 31341124321.

It can be written as a sum of positive squares in 2 ways, for example, as 122863569361 + 557573769 = 350519^2 + 23613^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 123421143095 and 123421143104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6171057147 + ... + 6171057166.

Almost surely, 2^123421143130 is an apocalyptic number.

123421143130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123421143130 is a deficient number, since it is larger than the sum of its proper divisors (98736914522).

123421143130 is a wasteful number, since it uses less digits than its factorization.

123421143130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12342114320.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123421143130 its reverse (31341124321), we get a palindrome (154762267451).

The spelling of 123421143130 in words is "one hundred twenty-three billion, four hundred twenty-one million, one hundred forty-three thousand, one hundred thirty".