4430142123 has 16 divisors (see below), whose sum is σ = 6593702016. Its totient is φ = 2622493440.

The previous prime is 4430142113. The next prime is 4430142139. The reversal of 4430142123 is 3212410344.

It is not a de Polignac number, because 4430142123 - 2⁵ = 4430142091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4430142093 and 4430142102.

It is not an unprimeable number, because it can be changed into a prime (4430142113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559590 + ... + 1562427.

It is an arithmetic number, because the mean of its divisors is an integer number (412106376).

Almost surely, 2^4430142123 is an apocalyptic number.

4430142123 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4430142123 is a deficient number, since it is larger than the sum of its proper divisors (2163559893).

4430142123 is a wasteful number, since it uses less digits than its factorization.

4430142123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122074.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4430142123 is about 66559.3128194695. The cubic root of 4430142123 is about 1642.3758598077.

Adding to 4430142123 its reverse (3212410344), we get a palindrome (7642552467).

The spelling of 4430142123 in words is "four billion, four hundred thirty million, one hundred forty-two thousand, one hundred twenty-three".