123451043324 has 24 divisors (see below), whose sum is σ = 247014082560. Its totient is φ = 52883590896.

The previous prime is 123451043299. The next prime is 123451043329. The reversal of 123451043324 is 423340154321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123451043329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937064 + ... + 1060655.

It is an arithmetic number, because the mean of its divisors is an integer number (10292253440).

Almost surely, 2^123451043324 is an apocalyptic number.

123451043324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123451043324 is an abundant number, since it is smaller than the sum of its proper divisors (123563039236).

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

123451043324 is a wasteful number, since it uses less digits than its factorization.

123451043324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999937 (or 1999935 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 123451043324 its reverse (423340154321), we get a palindrome (546791197645).

The spelling of 123451043324 in words is "one hundred twenty-three billion, four hundred fifty-one million, forty-three thousand, three hundred twenty-four".