4252142123 has 4 divisors (see below), whose sum is σ = 4342613280. Its totient is φ = 4161670968.

The previous prime is 4252142101. The next prime is 4252142281. The reversal of 4252142123 is 3212412524.

4252142123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4252142123 - 2²⁴ = 4235364907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4252142092 and 4252142101.

It is not an unprimeable number, because it can be changed into a prime (4252142623) 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, 45235508 + ... + 45235601.

It is an arithmetic number, because the mean of its divisors is an integer number (1085653320).

Almost surely, 2^4252142123 is an apocalyptic number.

4252142123 is a deficient number, since it is larger than the sum of its proper divisors (90471157).

4252142123 is an equidigital number, since it uses as much as digits as its factorization.

4252142123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90471156.

The product of its digits is 3840, while the sum is 26.

The square root of 4252142123 is about 65208.4513157612. The cubic root of 4252142123 is about 1620.0779979466.

Adding to 4252142123 its reverse (3212412524), we get a palindrome (7464554647).

The spelling of 4252142123 in words is "four billion, two hundred fifty-two million, one hundred forty-two thousand, one hundred twenty-three".