4420423123 has 8 divisors (see below), whose sum is σ = 4428870800. Its totient is φ = 4411985760.

The previous prime is 4420423121. The next prime is 4420423129. The reversal of 4420423123 is 3213240244.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4420423123 - 2¹ = 4420423121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420423121) 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, 1812661 + ... + 1815097.

It is an arithmetic number, because the mean of its divisors is an integer number (553608850).

Almost surely, 2^4420423123 is an apocalyptic number.

4420423123 is a deficient number, since it is larger than the sum of its proper divisors (8447677).

4420423123 is a wasteful number, since it uses less digits than its factorization.

4420423123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4420423123 is about 66486.2626638015. The cubic root of 4420423123 is about 1641.1739466687.

Adding to 4420423123 its reverse (3213240244), we get a palindrome (7633663367).

The spelling of 4420423123 in words is "four billion, four hundred twenty million, four hundred twenty-three thousand, one hundred twenty-three".