123022112233 has 4 divisors (see below), whose sum is σ = 124579354240. Its totient is φ = 121464870228.

The previous prime is 123022112177. The next prime is 123022112299. The reversal of 123022112233 is 332211220321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332211220321 = 1489 ⋅223110289.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123022112233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123022112033) 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, 778620885 + ... + 778621042.

It is an arithmetic number, because the mean of its divisors is an integer number (31144838560).

Almost surely, 2^123022112233 is an apocalyptic number.

It is an amenable number.

123022112233 is a deficient number, since it is larger than the sum of its proper divisors (1557242007).

123022112233 is an equidigital number, since it uses as much as digits as its factorization.

123022112233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557242006.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123022112233 its reverse (332211220321), we get a palindrome (455233332554).

The spelling of 123022112233 in words is "one hundred twenty-three billion, twenty-two million, one hundred twelve thousand, two hundred thirty-three".