123533274720 has 192 divisors, whose sum is σ = 394901982720. Its totient is φ = 32454586368.

The previous prime is 123533274701. The next prime is 123533274811. The reversal of 123533274720 is 27472335321.

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, 47898391 + ... + 47900969.

It is an arithmetic number, because the mean of its divisors is an integer number (2056781160).

Almost surely, 2^123533274720 is an apocalyptic number.

123533274720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123533274720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197450991360).

123533274720 is an abundant number, since it is smaller than the sum of its proper divisors (271368708000).

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

123533274720 is a wasteful number, since it uses less digits than its factorization.

123533274720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 39.

The spelling of 123533274720 in words is "one hundred twenty-three billion, five hundred thirty-three million, two hundred seventy-four thousand, seven hundred twenty".