123368780288 has 80 divisors (see below), whose sum is σ = 274612033080. Its totient is φ = 54975922176.

The previous prime is 123368780279. The next prime is 123368780323. The reversal of 123368780288 is 882087863321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110511034624 + 12857745664 = 332432^2 + 113392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126545 + ... + 512592.

Almost surely, 2^123368780288 is an apocalyptic number.

It is an amenable number.

123368780288 is an abundant number, since it is smaller than the sum of its proper divisors (151243252792).

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

123368780288 is an equidigital number, since it uses as much as digits as its factorization.

123368780288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639197 (or 639181 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 123368780288 in words is "one hundred twenty-three billion, three hundred sixty-eight million, seven hundred eighty thousand, two hundred eighty-eight".