4220000123 has 4 divisors (see below), whose sum is σ = 4222119528. Its totient is φ = 4217880720.

The previous prime is 4220000101. The next prime is 4220000129. The reversal of 4220000123 is 3210000224.

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 4220000123 - 2¹⁰ = 4219999099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4220000098 and 4220000107.

It is not an unprimeable number, because it can be changed into a prime (4220000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056713 + ... + 1060698.

It is an arithmetic number, because the mean of its divisors is an integer number (1055529882).

Almost surely, 2^4220000123 is an apocalyptic number.

4220000123 is a deficient number, since it is larger than the sum of its proper divisors (2119405).

4220000123 is a wasteful number, since it uses less digits than its factorization.

4220000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119404.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4220000123 is about 64961.5280223611. The cubic root of 4220000123 is about 1615.9856052199.

Adding to 4220000123 its reverse (3210000224), we get a palindrome (7430000347).

The spelling of 4220000123 in words is "four billion, two hundred twenty million, one hundred twenty-three", and thus it is an aban number.