130443723 has 16 divisors (see below), whose sum is σ = 193568800. Its totient is φ = 86819040.

The previous prime is 130443671. The next prime is 130443739. The reversal of 130443723 is 327344031.

It is not a de Polignac number, because 130443723 - 2¹³ = 130435531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130443743) 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, 14193 + ... + 21501.

It is an arithmetic number, because the mean of its divisors is an integer number (12098050).

Almost surely, 2^130443723 is an apocalyptic number.

130443723 is a deficient number, since it is larger than the sum of its proper divisors (63125077).

130443723 is an equidigital number, since it uses as much as digits as its factorization.

130443723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979 (or 7973 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 130443723 is about 11421.1962158086. The cubic root of 130443723 is about 507.1554090998.

Adding to 130443723 its reverse (327344031), we get a palindrome (457787754).

The spelling of 130443723 in words is "one hundred thirty million, four hundred forty-three thousand, seven hundred twenty-three".