123453354112 has 32 divisors (see below), whose sum is σ = 268300616400. Its totient is φ = 56115160320.

The previous prime is 123453354083. The next prime is 123453354133. The reversal of 123453354112 is 211453354321.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43838562 + ... + 43841377.

Almost surely, 2^123453354112 is an apocalyptic number.

It is an amenable number.

123453354112 is an abundant number, since it is smaller than the sum of its proper divisors (144847262288).

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

123453354112 is an equidigital number, since it uses as much as digits as its factorization.

123453354112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87679964 (or 87679952 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The spelling of 123453354112 in words is "one hundred twenty-three billion, four hundred fifty-three million, three hundred fifty-four thousand, one hundred twelve".