123464605105 has 4 divisors (see below), whose sum is σ = 148157526132. Its totient is φ = 98771684080.

The previous prime is 123464605087. The next prime is 123464605111. The reversal of 123464605105 is 501506464321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501506464321 = 197 ⋅2545718093.

It can be written as a sum of positive squares in 2 ways, for example, as 83742520689 + 39722084416 = 289383^2 + 199304^2 .

It is not a de Polignac number, because 123464605105 - 2²³ = 123456216497 is a prime.

It is a super-3 number, since 3×123464605105³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

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, 12346460506 + ... + 12346460515.

It is an arithmetic number, because the mean of its divisors is an integer number (37039381533).

Almost surely, 2^123464605105 is an apocalyptic number.

It is an amenable number.

123464605105 is a deficient number, since it is larger than the sum of its proper divisors (24692921027).

123464605105 is an equidigital number, since it uses as much as digits as its factorization.

123464605105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24692921026.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 123464605105 in words is "one hundred twenty-three billion, four hundred sixty-four million, six hundred five thousand, one hundred five".