13130400023 has 4 divisors (see below), whose sum is σ = 14140430808. Its totient is φ = 12120369240.

The previous prime is 13130400013. The next prime is 13130400037. The reversal of 13130400023 is 32000403131.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130400023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13130399974 and 13130400010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130400013) 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 3 ways as a sum of consecutive naturals, for example, 505015373 + ... + 505015398.

It is an arithmetic number, because the mean of its divisors is an integer number (3535107702).

Almost surely, 2^13130400023 is an apocalyptic number.

13130400023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13130400023 is a deficient number, since it is larger than the sum of its proper divisors (1010030785).

13130400023 is a wasteful number, since it uses less digits than its factorization.

13130400023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010030784.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13130400023 its reverse (32000403131), we get a palindrome (45130803154).

The spelling of 13130400023 in words is "thirteen billion, one hundred thirty million, four hundred thousand, twenty-three".