130323101978 has 8 divisors (see below), whose sum is σ = 196564679220. Its totient is φ = 64801542240.

The previous prime is 130323101977. The next prime is 130323102047. The reversal of 130323101978 is 879101323031.

It can be written as a sum of positive squares in 2 ways, for example, as 128147532529 + 2175569449 = 357977^2 + 46643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×130323101978² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130323101977) 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, 180003923 + ... + 180004646.

Almost surely, 2^130323101978 is an apocalyptic number.

130323101978 is a deficient number, since it is larger than the sum of its proper divisors (66241577242).

130323101978 is a wasteful number, since it uses less digits than its factorization.

130323101978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360008752.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 130323101978 in words is "one hundred thirty billion, three hundred twenty-three million, one hundred one thousand, nine hundred seventy-eight".