123143453244 has 36 divisors (see below), whose sum is σ = 355747754544. Its totient is φ = 35183843712.

The previous prime is 123143453227. The next prime is 123143453261. The reversal of 123143453244 is 442354341321.

123143453244 is a `hidden beast` number, since 1 + 23 + 143 + 453 + 2 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (123143453227) and next prime (123143453261).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 123143453199 and 123143453208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244331997 + ... + 244332500.

Almost surely, 2^123143453244 is an apocalyptic number.

123143453244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123143453244 is an abundant number, since it is smaller than the sum of its proper divisors (232604301300).

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

123143453244 is a wasteful number, since it uses less digits than its factorization.

123143453244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488664514 (or 488664509 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 123143453244 its reverse (442354341321), we get a palindrome (565497794565).

The spelling of 123143453244 in words is "one hundred twenty-three billion, one hundred forty-three million, four hundred fifty-three thousand, two hundred forty-four".