130023443 has 16 divisors (see below), whose sum is σ = 150163200. Its totient is φ = 111461280.

The previous prime is 130023437. The next prime is 130023449. The reversal of 130023443 is 344320031.

It is an interprime number because it is at equal distance from previous prime (130023437) and next prime (130023449).

It is a cyclic number.

It is not a de Polignac number, because 130023443 - 2⁶ = 130023379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130023449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8978 + ... + 18456.

It is an arithmetic number, because the mean of its divisors is an integer number (9385200).

Almost surely, 2^130023443 is an apocalyptic number.

130023443 is a deficient number, since it is larger than the sum of its proper divisors (20139757).

130023443 is a wasteful number, since it uses less digits than its factorization.

130023443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562.

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

The square root of 130023443 is about 11402.7822482059. The cubic root of 130023443 is about 506.6101507157.

Adding to 130023443 its reverse (344320031), we get a palindrome (474343474).

The spelling of 130023443 in words is "one hundred thirty million, twenty-three thousand, four hundred forty-three".