123146412 has 24 divisors (see below), whose sum is σ = 297250800. Its totient is φ = 39633216.

The previous prime is 123146377. The next prime is 123146431. The reversal of 123146412 is 214641321.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176587 + ... + 177282.

It is an arithmetic number, because the mean of its divisors is an integer number (12385450).

Almost surely, 2^123146412 is an apocalyptic number.

123146412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123146412 is an abundant number, since it is smaller than the sum of its proper divisors (174104388).

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

123146412 is a wasteful number, since it uses less digits than its factorization.

123146412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353905 (or 353903 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 123146412 is about 11097.1353060148. The cubic root of 123146412 is about 497.5162315521.

Adding to 123146412 its reverse (214641321), we get a palindrome (337787733).

The spelling of 123146412 in words is "one hundred twenty-three million, one hundred forty-six thousand, four hundred twelve".