123423571146 has 16 divisors (see below), whose sum is σ = 246912681600. Its totient is φ = 41130267168.

The previous prime is 123423571111. The next prime is 123423571171. The reversal of 123423571146 is 641175324321.

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, 2706306 + ... + 2751533.

It is an arithmetic number, because the mean of its divisors is an integer number (15432042600).

Almost surely, 2^123423571146 is an apocalyptic number.

123423571146 is an abundant number, since it is smaller than the sum of its proper divisors (123489110454).

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

123423571146 is a wasteful number, since it uses less digits than its factorization.

123423571146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461613.

The product of its digits is 120960, while the sum is 39.

Adding to 123423571146 its reverse (641175324321), we get a palindrome (764598895467).

The spelling of 123423571146 in words is "one hundred twenty-three billion, four hundred twenty-three million, five hundred seventy-one thousand, one hundred forty-six".