427667123172 has 24 divisors (see below), whose sum is σ = 1014803344800. Its totient is φ = 140139509056.

The previous prime is 427667123167. The next prime is 427667123209. The reversal of 427667123172 is 271321766724.

It is a super-3 number, since 3×427667123172³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302024097 + ... + 302025512.

It is an arithmetic number, because the mean of its divisors is an integer number (42283472700).

Almost surely, 2^427667123172 is an apocalyptic number.

It is an amenable number.

427667123172 is an abundant number, since it is smaller than the sum of its proper divisors (587136221628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427667123172 is a wasteful number, since it uses less digits than its factorization.

427667123172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604049675 (or 604049673 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 48.

Adding to 427667123172 its reverse (271321766724), we get a palindrome (698988889896).

The spelling of 427667123172 in words is "four hundred twenty-seven billion, six hundred sixty-seven million, one hundred twenty-three thousand, one hundred seventy-two".