130234403 has 4 divisors (see below), whose sum is σ = 140252448. Its totient is φ = 120216360.

The previous prime is 130234393. The next prime is 130234457. The reversal of 130234403 is 304432031.

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

It is a cyclic number.

It is not a de Polignac number, because 130234403 - 2²⁰ = 129185827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130234463) 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, 5009003 + ... + 5009028.

It is an arithmetic number, because the mean of its divisors is an integer number (35063112).

Almost surely, 2^130234403 is an apocalyptic number.

130234403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130234403 is a deficient number, since it is larger than the sum of its proper divisors (10018045).

130234403 is a wasteful number, since it uses less digits than its factorization.

130234403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018044.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 130234403 is about 11412.0288730795. The cubic root of 130234403 is about 506.8839903826.

Adding to 130234403 its reverse (304432031), we get a palindrome (434666434).

The spelling of 130234403 in words is "one hundred thirty million, two hundred thirty-four thousand, four hundred three".