123500298240 has 952 divisors, whose sum is σ = 495108643968. Its totient is φ = 29302456320.

The previous prime is 123500298227. The next prime is 123500298241. The reversal of 123500298240 is 42892005321.

It is a happy number.

123500298240 is a `hidden beast` number, since 1 + 23 + 500 + 2 + 98 + 2 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 123500298195 and 123500298204.

It is not an unprimeable number, because it can be changed into a prime (123500298241) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2627665897 + ... + 2627665943.

Almost surely, 2^123500298240 is an apocalyptic number.

123500298240 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 123500298240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247554321984).

123500298240 is an abundant number, since it is smaller than the sum of its proper divisors (371608345728).

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

123500298240 is an frugal number, since it uses more digits than its factorization.

123500298240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 123500298240 in words is "one hundred twenty-three billion, five hundred million, two hundred ninety-eight thousand, two hundred forty".