2223012123 has 24 divisors (see below), whose sum is σ = 3547728288. Its totient is φ = 1334184192.

The previous prime is 2223012107. The next prime is 2223012131. The reversal of 2223012123 is 3212103222.

It is not a de Polignac number, because 2223012123 - 2⁴ = 2223012107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2223012096 and 2223012105.

It is not an unprimeable number, because it can be changed into a prime (2223012173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312340 + ... + 319377.

It is an arithmetic number, because the mean of its divisors is an integer number (147822012).

Almost surely, 2^2223012123 is an apocalyptic number.

2223012123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2223012123 is a deficient number, since it is larger than the sum of its proper divisors (1324716165).

2223012123 is a wasteful number, since it uses less digits than its factorization.

2223012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631763 (or 631760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2223012123 is about 47148.8294976662. The cubic root of 2223012123 is about 1305.1104799231.

Adding to 2223012123 its reverse (3212103222), we get a palindrome (5435115345).

The spelling of 2223012123 in words is "two billion, two hundred twenty-three million, twelve thousand, one hundred twenty-three".