123630351560 has 16 divisors (see below), whose sum is σ = 278168291100. Its totient is φ = 49452140608.

The previous prime is 123630351529. The next prime is 123630351569. The reversal of 123630351560 is 65153036321.

123630351560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 122781561604 + 848789956 = 350402^2 + 29134^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123630351560.

It is not an unprimeable number, because it can be changed into a prime (123630351569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545379355 + ... + 1545379434.

Almost surely, 2^123630351560 is an apocalyptic number.

123630351560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123630351560 is an abundant number, since it is smaller than the sum of its proper divisors (154537939540).

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

123630351560 is a wasteful number, since it uses less digits than its factorization.

123630351560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090758800 (or 3090758796 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 123630351560 its reverse (65153036321), we get a palindrome (188783387881).

The spelling of 123630351560 in words is "one hundred twenty-three billion, six hundred thirty million, three hundred fifty-one thousand, five hundred sixty".