130323722 has 4 divisors (see below), whose sum is σ = 195485586. Its totient is φ = 65161860.

The previous prime is 130323719. The next prime is 130323749. The reversal of 130323722 is 227323031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85581001 + 44742721 = 9251^2 + 6689^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32580929 + ... + 32580932.

Almost surely, 2^130323722 is an apocalyptic number.

130323722 is a deficient number, since it is larger than the sum of its proper divisors (65161864).

130323722 is an equidigital number, since it uses as much as digits as its factorization.

130323722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65161863.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 130323722 is about 11415.9415730810. The cubic root of 130323722 is about 506.9998430908. Note that the first 3 decimals are identical.

Adding to 130323722 its reverse (227323031), we get a palindrome (357646753).

The spelling of 130323722 in words is "one hundred thirty million, three hundred twenty-three thousand, seven hundred twenty-two".