4023123113 has 4 divisors (see below), whose sum is σ = 4023377040. Its totient is φ = 4022869188.

The previous prime is 4023123079. The next prime is 4023123119. The reversal of 4023123113 is 3113213204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4023123113 - 2¹² = 4023119017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4023123119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101495 + ... + 135452.

It is an arithmetic number, because the mean of its divisors is an integer number (1005844260).

Almost surely, 2^4023123113 is an apocalyptic number.

It is an amenable number.

4023123113 is a deficient number, since it is larger than the sum of its proper divisors (253927).

4023123113 is a wasteful number, since it uses less digits than its factorization.

4023123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253926.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4023123113 is about 63428.0940356874. The cubic root of 4023123113 is about 1590.4539812263.

Adding to 4023123113 its reverse (3113213204), we get a palindrome (7136336317).

Subtracting from 4023123113 its reverse (3113213204), we obtain a palindrome (909909909).

The spelling of 4023123113 in words is "four billion, twenty-three million, one hundred twenty-three thousand, one hundred thirteen".