123534054056 has 32 divisors (see below), whose sum is σ = 270118200000. Its totient is φ = 52943164848.

The previous prime is 123534054019. The next prime is 123534054107. The reversal of 123534054056 is 650450435321.

123534054056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123534054056² (a number of 23 digits) contains 22 as substring.

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, 22507106 + ... + 22512593.

It is an arithmetic number, because the mean of its divisors is an integer number (8441193750).

Almost surely, 2^123534054056 is an apocalyptic number.

It is an amenable number.

123534054056 is an abundant number, since it is smaller than the sum of its proper divisors (146584145944).

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

123534054056 is an equidigital number, since it uses as much as digits as its factorization.

123534054056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45019726 (or 45019708 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 123534054056 its reverse (650450435321), we get a palindrome (773984489377).

The spelling of 123534054056 in words is "one hundred twenty-three billion, five hundred thirty-four million, fifty-four thousand, fifty-six".