4223123311222 has 4 divisors (see below), whose sum is σ = 6334684966836. Its totient is φ = 2111561655610.

The previous prime is 4223123311201. The next prime is 4223123311241. The reversal of 4223123311222 is 2221133213224.

It is a happy number.

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

It is a super-2 number, since 2×4223123311222² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055780827804 + ... + 1055780827807.

It is an arithmetic number, because the mean of its divisors is an integer number (1583671241709).

Almost surely, 2^{4223123311222} is an apocalyptic number.

4223123311222 is a deficient number, since it is larger than the sum of its proper divisors (2111561655614).

4223123311222 is a wasteful number, since it uses less digits than its factorization.

4223123311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111561655613.

The product of its digits is 6912, while the sum is 28.

Adding to 4223123311222 its reverse (2221133213224), we get a palindrome (6444256524446).

The spelling of 4223123311222 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, three hundred eleven thousand, two hundred twenty-two".