1001423112 has 32 divisors (see below), whose sum is σ = 2526532800. Its totient is φ = 330744384.

The previous prime is 1001423057. The next prime is 1001423113. The reversal of 1001423112 is 2113241001.

It is a junction number, because it is equal to n+sod(n) for n = 1001423091 and 1001423100.

It is not an unprimeable number, because it can be changed into a prime (1001423113) 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 7 ways as a sum of consecutive naturals, for example, 188788 + ... + 194019.

It is an arithmetic number, because the mean of its divisors is an integer number (78954150).

Almost surely, 2^1001423112 is an apocalyptic number.

1001423112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001423112 is an abundant number, since it is smaller than the sum of its proper divisors (1525109688).

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

1001423112 is a wasteful number, since it uses less digits than its factorization.

1001423112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382925 (or 382921 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1001423112 is about 31645.2699783080. The cubic root of 1001423112 is about 1000.4741458169.

Adding to 1001423112 its reverse (2113241001), we get a palindrome (3114664113).

The spelling of 1001423112 in words is "one billion, one million, four hundred twenty-three thousand, one hundred twelve".