130123434403 has 2 divisors, whose sum is σ = 130123434404. Its totient is φ = 130123434402.

The previous prime is 130123434377. The next prime is 130123434451. The reversal of 130123434403 is 304434321031.

It is a weak prime.

It is an emirp because it is prime and its reverse (304434321031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130123434403 - 2²¹ = 130121337251 is a prime.

It is not a weakly prime, because it can be changed into another prime (130123434703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65061717201 + 65061717202.

It is an arithmetic number, because the mean of its divisors is an integer number (65061717202).

Almost surely, 2^130123434403 is an apocalyptic number.

130123434403 is a deficient number, since it is larger than the sum of its proper divisors (1).

130123434403 is an equidigital number, since it uses as much as digits as its factorization.

130123434403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 130123434403 its reverse (304434321031), we get a palindrome (434557755434).

The spelling of 130123434403 in words is "one hundred thirty billion, one hundred twenty-three million, four hundred thirty-four thousand, four hundred three".