123036310560 has 96 divisors (see below), whose sum is σ = 388020024000. Its totient is φ = 32771109888.

The previous prime is 123036310549. The next prime is 123036310577. The reversal of 123036310560 is 65013630321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 259191 + ... + 559689.

It is an arithmetic number, because the mean of its divisors is an integer number (4041875250).

Almost surely, 2^123036310560 is an apocalyptic number.

123036310560 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 123036310560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194010012000).

123036310560 is an abundant number, since it is smaller than the sum of its proper divisors (264983713440).

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

123036310560 is a wasteful number, since it uses less digits than its factorization.

123036310560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301370 (or 301362 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 123036310560 its reverse (65013630321), we get a palindrome (188049940881).

The spelling of 123036310560 in words is "one hundred twenty-three billion, thirty-six million, three hundred ten thousand, five hundred sixty".