130234543 has 2 divisors, whose sum is σ = 130234544. Its totient is φ = 130234542.

The previous prime is 130234537. The next prime is 130234547. The reversal of 130234543 is 345432031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130234543 - 2⁹ = 130234031 is a prime.

It is a super-2 number, since 2×130234543² = 33922072380837698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130234547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65117271 + 65117272.

It is an arithmetic number, because the mean of its divisors is an integer number (65117272).

Almost surely, 2^130234543 is an apocalyptic number.

130234543 is a deficient number, since it is larger than the sum of its proper divisors (1).

130234543 is an equidigital number, since it uses as much as digits as its factorization.

130234543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 130234543 is about 11412.0350069565. The cubic root of 130234543 is about 506.8841720134.

Adding to 130234543 its reverse (345432031), we get a palindrome (475666574).

The spelling of 130234543 in words is "one hundred thirty million, two hundred thirty-four thousand, five hundred forty-three".