123840600468 has 96 divisors (see below), whose sum is σ = 329935060224. Its totient is φ = 35815385088.

The previous prime is 123840600427. The next prime is 123840600503. The reversal of 123840600468 is 864006048321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1976721 + ... + 2038407.

It is an arithmetic number, because the mean of its divisors is an integer number (3436823544).

Almost surely, 2^123840600468 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 123840600468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164967530112).

123840600468 is an abundant number, since it is smaller than the sum of its proper divisors (206094459756).

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

123840600468 is a wasteful number, since it uses less digits than its factorization.

123840600468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62481 (or 62479 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

Adding to 123840600468 its reverse (864006048321), we get a palindrome (987846648789).

The spelling of 123840600468 in words is "one hundred twenty-three billion, eight hundred forty million, six hundred thousand, four hundred sixty-eight".