123530511310140 has 96 divisors (see below), whose sum is σ = 377820239005440. Its totient is φ = 29907847987200.

The previous prime is 123530511310111. The next prime is 123530511310223. The reversal of 123530511310140 is 41013115035321.

It is a super-4 number, since 4×123530511310140⁴ (a number of 57 digits) contains 4444 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 123530511310098 and 123530511310107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121187806 + ... + 122202885.

It is an arithmetic number, because the mean of its divisors is an integer number (3935627489640).

Almost surely, 2^{123530511310140} is an apocalyptic number.

123530511310140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123530511310140 is an abundant number, since it is smaller than the sum of its proper divisors (254289727695300).

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

123530511310140 is a wasteful number, since it uses less digits than its factorization.

123530511310140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243391483 (or 243391481 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 123530511310140 its reverse (41013115035321), we get a palindrome (164543626345461).

The spelling of 123530511310140 in words is "one hundred twenty-three trillion, five hundred thirty billion, five hundred eleven million, three hundred ten thousand, one hundred forty".