1230323978 has 8 divisors (see below), whose sum is σ = 1987446468. Its totient is φ = 567841824.

The previous prime is 1230323977. The next prime is 1230324019. The reversal of 1230323978 is 8793230321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 909806569 + 320517409 = 30163^2 + 17903^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1230323977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23660051 + ... + 23660102.

Almost surely, 2^1230323978 is an apocalyptic number.

1230323978 is a deficient number, since it is larger than the sum of its proper divisors (757122490).

1230323978 is a wasteful number, since it uses less digits than its factorization.

1230323978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47320168.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1230323978 is about 35075.9743699302. The cubic root of 1230323978 is about 1071.5353328146.

The spelling of 1230323978 in words is "one billion, two hundred thirty million, three hundred twenty-three thousand, nine hundred seventy-eight".