683123112 has 384 divisors, whose sum is σ = 2407680000. Its totient is φ = 178319232.

The previous prime is 683123107. The next prime is 683123113. The reversal of 683123112 is 211321386.

It is a happy number.

It is a super-2 number, since 2×683123112² = 933314372297129088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (683123113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8647089 + ... + 8647167.

It is an arithmetic number, because the mean of its divisors is an integer number (6270000).

Almost surely, 2^683123112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683123112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203840000).

683123112 is an abundant number, since it is smaller than the sum of its proper divisors (1724556888).

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

683123112 is a wasteful number, since it uses less digits than its factorization.

683123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 153 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 683123112 is about 26136.6239594941. The cubic root of 683123112 is about 880.7101327136.

Adding to 683123112 its reverse (211321386), we get a palindrome (894444498).

The spelling of 683123112 in words is "six hundred eighty-three million, one hundred twenty-three thousand, one hundred twelve".