130523442043 has 4 divisors (see below), whose sum is σ = 131519804328. Its totient is φ = 129527079760.

The previous prime is 130523442037. The next prime is 130523442059. The reversal of 130523442043 is 340244325031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340244325031 = 13 ⋅26172640387.

It is a cyclic number.

It is not a de Polignac number, because 130523442043 - 2²⁹ = 129986571131 is a prime.

It is a super-3 number, since 3×130523442043³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130523441996 and 130523442014.

It is not an unprimeable number, because it can be changed into a prime (130523442083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498180946 + ... + 498181207.

It is an arithmetic number, because the mean of its divisors is an integer number (32879951082).

Almost surely, 2^130523442043 is an apocalyptic number.

130523442043 is a deficient number, since it is larger than the sum of its proper divisors (996362285).

130523442043 is an equidigital number, since it uses as much as digits as its factorization.

130523442043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996362284.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 130523442043 its reverse (340244325031), we get a palindrome (470767767074).

The spelling of 130523442043 in words is "one hundred thirty billion, five hundred twenty-three million, four hundred forty-two thousand, forty-three".