30723146218 has 8 divisors (see below), whose sum is σ = 48088402848. Its totient is φ = 14693678604.

The previous prime is 30723146213. The next prime is 30723146227. The reversal of 30723146218 is 81264132703.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (30723146213) 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, 333947196 + ... + 333947287.

It is an arithmetic number, because the mean of its divisors is an integer number (6011050356).

Almost surely, 2^30723146218 is an apocalyptic number.

30723146218 is a deficient number, since it is larger than the sum of its proper divisors (17365256630).

30723146218 is a wasteful number, since it uses less digits than its factorization.

30723146218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667894508.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 30723146218 in words is "thirty billion, seven hundred twenty-three million, one hundred forty-six thousand, two hundred eighteen".