123058055 has 4 divisors (see below), whose sum is σ = 147669672. Its totient is φ = 98446440.

The previous prime is 123058051. The next prime is 123058069. The reversal of 123058055 is 550850321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550850321 = 7 ⋅78692903.

It is not a de Polignac number, because 123058055 - 2² = 123058051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123058051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12305801 + ... + 12305810.

It is an arithmetic number, because the mean of its divisors is an integer number (36917418).

Almost surely, 2^123058055 is an apocalyptic number.

123058055 is a deficient number, since it is larger than the sum of its proper divisors (24611617).

123058055 is an equidigital number, since it uses as much as digits as its factorization.

123058055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24611616.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 123058055 is about 11093.1535191757. The cubic root of 123058055 is about 497.3972145256.

The spelling of 123058055 in words is "one hundred twenty-three million, fifty-eight thousand, fifty-five".