1230173279 has 8 divisors (see below), whose sum is σ = 1279129728. Its totient is φ = 1181796480.

The previous prime is 1230173207. The next prime is 1230173309. The reversal of 1230173279 is 9723710321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230173279 is a prime.

It is a super-2 number, since 2×1230173279² = 3026652592731223682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230173179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140582 + ... + 149075.

It is an arithmetic number, because the mean of its divisors is an integer number (159891216).

Almost surely, 2^1230173279 is an apocalyptic number.

1230173279 is a deficient number, since it is larger than the sum of its proper divisors (48956449).

1230173279 is a wasteful number, since it uses less digits than its factorization.

1230173279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289825.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1230173279 is about 35073.8261243338. The cubic root of 1230173279 is about 1071.4915812231.

The spelling of 1230173279 in words is "one billion, two hundred thirty million, one hundred seventy-three thousand, two hundred seventy-nine".