123553101120 has 56 divisors (see below), whose sum is σ = 392281099104. Its totient is φ = 32947493376.

The previous prime is 123553101107. The next prime is 123553101137. The reversal of 123553101120 is 21101355321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 64349614 + ... + 64351533.

Almost surely, 2^123553101120 is an apocalyptic number.

123553101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123553101120 is an abundant number, since it is smaller than the sum of its proper divisors (268727997984).

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

123553101120 is a wasteful number, since it uses less digits than its factorization.

123553101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128701167 (or 128701157 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 123553101120 its reverse (21101355321), we get a palindrome (144654456441).

The spelling of 123553101120 in words is "one hundred twenty-three billion, five hundred fifty-three million, one hundred one thousand, one hundred twenty".