4155554123 has 12 divisors (see below), whose sum is σ = 4989949632. Its totient is φ = 3447002160.

The previous prime is 4155554107. The next prime is 4155554153. The reversal of 4155554123 is 3214555514.

4155554123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4155554123 - 2⁴ = 4155554107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155554153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1366340 + ... + 1369377.

It is an arithmetic number, because the mean of its divisors is an integer number (415829136).

Almost surely, 2^4155554123 is an apocalyptic number.

4155554123 is a deficient number, since it is larger than the sum of its proper divisors (834395509).

4155554123 is a wasteful number, since it uses less digits than its factorization.

4155554123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735762 (or 2735755 counting only the distinct ones).

The product of its digits is 60000, while the sum is 35.

The square root of 4155554123 is about 64463.5875746921. The cubic root of 4155554123 is about 1607.7171616413.

The spelling of 4155554123 in words is "four billion, one hundred fifty-five million, five hundred fifty-four thousand, one hundred twenty-three".