4220023423 has 12 divisors (see below), whose sum is σ = 5355280872. Its totient is φ = 3288329520.

The previous prime is 4220023393. The next prime is 4220023429. The reversal of 4220023423 is 3243200224.

It is not a de Polignac number, because 4220023423 - 2²⁵ = 4186468991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4220023394 and 4220023403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220023429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3914140 + ... + 3915217.

It is an arithmetic number, because the mean of its divisors is an integer number (446273406).

Almost surely, 2^4220023423 is an apocalyptic number.

4220023423 is a deficient number, since it is larger than the sum of its proper divisors (1135257449).

4220023423 is a wasteful number, since it uses less digits than its factorization.

4220023423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829382 (or 7829375 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 4220023423 is about 64961.7073590281. The cubic root of 4220023423 is about 1615.9885793427.

Adding to 4220023423 its reverse (3243200224), we get a palindrome (7463223647).

The spelling of 4220023423 in words is "four billion, two hundred twenty million, twenty-three thousand, four hundred twenty-three".