13123420130 has 32 divisors (see below), whose sum is σ = 25044980976. Its totient is φ = 4934006784.

The previous prime is 13123420129. The next prime is 13123420139. The reversal of 13123420130 is 3102432131.

It can be written as a sum of positive squares in 8 ways, for example, as 5449835329 + 7673584801 = 73823^2 + 87599^2 .

It is not an unprimeable number, because it can be changed into a prime (13123420139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77702 + ... + 179678.

Almost surely, 2^13123420130 is an apocalyptic number.

13123420130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123420130 is a deficient number, since it is larger than the sum of its proper divisors (11921560846).

13123420130 is a wasteful number, since it uses less digits than its factorization.

13123420130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102758.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13123420130 its reverse (3102432131), we get a palindrome (16225852261).

The spelling of 13123420130 in words is "thirteen billion, one hundred twenty-three million, four hundred twenty thousand, one hundred thirty".