123622163240 has 64 divisors (see below), whose sum is σ = 285352450560. Its totient is φ = 48183563520.

The previous prime is 123622163221. The next prime is 123622163261. The reversal of 123622163240 is 42361226321.

123622163240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 123622163197 and 123622163206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24329 + ... + 497831.

It is an arithmetic number, because the mean of its divisors is an integer number (4458632040).

Almost surely, 2^123622163240 is an apocalyptic number.

123622163240 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 123622163240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142676225280).

123622163240 is an abundant number, since it is smaller than the sum of its proper divisors (161730287320).

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

123622163240 is a wasteful number, since it uses less digits than its factorization.

123622163240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473682 (or 473678 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 123622163240 its reverse (42361226321), we get a palindrome (165983389561).

The spelling of 123622163240 in words is "one hundred twenty-three billion, six hundred twenty-two million, one hundred sixty-three thousand, two hundred forty".