123144012124 has 48 divisors (see below), whose sum is σ = 259433574400. Its totient is φ = 49963023936.

The previous prime is 123144012113. The next prime is 123144012139. The reversal of 123144012124 is 421210441321.

It is a super-3 number, since 3×123144012124³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679237 + ... + 841219.

Almost surely, 2^123144012124 is an apocalyptic number.

123144012124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123144012124 is an abundant number, since it is smaller than the sum of its proper divisors (136289562276).

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

123144012124 is a wasteful number, since it uses less digits than its factorization.

123144012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163442 (or 163440 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 123144012124 its reverse (421210441321), we get a palindrome (544354453445).

The spelling of 123144012124 in words is "one hundred twenty-three billion, one hundred forty-four million, twelve thousand, one hundred twenty-four".