1200423168 has 324 divisors, whose sum is σ = 4168190208. Its totient is φ = 331914240.

The previous prime is 1200423157. The next prime is 1200423179. The reversal of 1200423168 is 8613240021.

It is an interprime number because it is at equal distance from previous prime (1200423157) and next prime (1200423179).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38723313 + ... + 38723343.

Almost surely, 2^1200423168 is an apocalyptic number.

1200423168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200423168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2084095104).

1200423168 is an abundant number, since it is smaller than the sum of its proper divisors (2967767040).

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

1200423168 is an frugal number, since it uses more digits than its factorization.

1200423168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1200423168 is about 34647.1235169675. The cubic root of 1200423168 is about 1062.7834664751.

Adding to 1200423168 its reverse (8613240021), we get a palindrome (9813663189).

The spelling of 1200423168 in words is "one billion, two hundred million, four hundred twenty-three thousand, one hundred sixty-eight".