130323844 has 48 divisors (see below), whose sum is σ = 267108352. Its totient is φ = 54486432.

The previous prime is 130323839. The next prime is 130323847. The reversal of 130323844 is 448323031.

It is a Cunningham number, because it is equal to 507³+1.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (130323847) 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, 237979 + ... + 238525.

Almost surely, 2^130323844 is an apocalyptic number.

130323844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130323844 is an abundant number, since it is smaller than the sum of its proper divisors (136784508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130323844 is a wasteful number, since it uses less digits than its factorization.

130323844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 130323844 is about 11415.9469164849. The cubic root of 130323844 is about 507.0000012968. Note that the first 5 decimals are identical.

Adding to 130323844 its reverse (448323031), we get a palindrome (578646875).

The spelling of 130323844 in words is "one hundred thirty million, three hundred twenty-three thousand, eight hundred forty-four".