123324016504 has 64 divisors (see below), whose sum is σ = 263895589440. Its totient is φ = 53524346880.

The previous prime is 123324016483. The next prime is 123324016507. The reversal of 123324016504 is 405610423321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123324016507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058477 + ... + 2117539.

It is an arithmetic number, because the mean of its divisors is an integer number (4123368585).

Almost surely, 2^123324016504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123324016504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131947794720).

123324016504 is an abundant number, since it is smaller than the sum of its proper divisors (140571572936).

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

123324016504 is a wasteful number, since it uses less digits than its factorization.

123324016504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60280 (or 60276 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 123324016504 its reverse (405610423321), we get a palindrome (528934439825).

The spelling of 123324016504 in words is "one hundred twenty-three billion, three hundred twenty-four million, sixteen thousand, five hundred four".