123343152504 has 128 divisors (see below), whose sum is σ = 363784780800. Its totient is φ = 34356994560.

The previous prime is 123343152487. The next prime is 123343152533. The reversal of 123343152504 is 405251343321.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 745062 + ... + 895434.

It is an arithmetic number, because the mean of its divisors is an integer number (2842068600).

Almost surely, 2^123343152504 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 123343152504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181892390400).

123343152504 is an abundant number, since it is smaller than the sum of its proper divisors (240441628296).

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

123343152504 is a wasteful number, since it uses less digits than its factorization.

123343152504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150645 (or 150641 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 123343152504 its reverse (405251343321), we get a palindrome (528594495825).

The spelling of 123343152504 in words is "one hundred twenty-three billion, three hundred forty-three million, one hundred fifty-two thousand, five hundred four".