123055112104 has 32 divisors (see below), whose sum is σ = 235368701640. Its totient is φ = 60292960000.

The previous prime is 123055112087. The next prime is 123055112149. The reversal of 123055112104 is 401211550321.

It can be written as a sum of positive squares in 4 ways, for example, as 114480722500 + 8574389604 = 338350^2 + 92598^2 .

It is a super-2 number, since 2×123055112104² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171354 + ... + 524854.

Almost surely, 2^123055112104 is an apocalyptic number.

It is an amenable number.

123055112104 is a deficient number, since it is larger than the sum of its proper divisors (112313589536).

123055112104 is a wasteful number, since it uses less digits than its factorization.

123055112104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354381 (or 354377 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 123055112104 its reverse (401211550321), we get a palindrome (524266662425).

The spelling of 123055112104 in words is "one hundred twenty-three billion, fifty-five million, one hundred twelve thousand, one hundred four".