4204420123 has 4 divisors (see below), whose sum is σ = 4213501408. Its totient is φ = 4195338840.

The previous prime is 4204420097. The next prime is 4204420141. The reversal of 4204420123 is 3210244024.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4204420123 is a prime.

It is the 64842-nd Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4204420094 and 4204420103.

It is not an unprimeable number, because it can be changed into a prime (4204420183) by changing a digit.

It is a nontrivial repunit in base 64841.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4539948 + ... + 4540873.

It is an arithmetic number, because the mean of its divisors is an integer number (1053375352).

Almost surely, 2^4204420123 is an apocalyptic number.

4204420123 is a deficient number, since it is larger than the sum of its proper divisors (9081285).

4204420123 is an equidigital number, since it uses as much as digits as its factorization.

4204420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081284.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4204420123 is about 64841.5000057833. The cubic root of 4204420123 is about 1613.9944438623.

Adding to 4204420123 its reverse (3210244024), we get a palindrome (7414664147).

The spelling of 4204420123 in words is "four billion, two hundred four million, four hundred twenty thousand, one hundred twenty-three".