4123123123 has 8 divisors (see below), whose sum is σ = 4736061792. Its totient is φ = 3516164736.

The previous prime is 4123123091. The next prime is 4123123159. The reversal of 4123123123 is 3213213214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4123123123 - 2⁵ = 4123123091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4123123094 and 4123123103.

It is not an unprimeable number, because it can be changed into a prime (4123123183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493590 + ... + 1496347.

It is an arithmetic number, because the mean of its divisors is an integer number (592007724).

Almost surely, 2^4123123123 is an apocalyptic number.

4123123123 is a deficient number, since it is larger than the sum of its proper divisors (612938669).

4123123123 is a wasteful number, since it uses less digits than its factorization.

4123123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990141.

The product of its digits is 864, while the sum is 22.

The square root of 4123123123 is about 64211.5497632630. The cubic root of 4123123123 is about 1603.5238898182.

Adding to 4123123123 its reverse (3213213214), we get a palindrome (7336336337).

Subtracting from 4123123123 its reverse (3213213214), we obtain a palindrome (909909909).

The spelling of 4123123123 in words is "four billion, one hundred twenty-three million, one hundred twenty-three thousand, one hundred twenty-three".