123234220033 has 4 divisors (see below), whose sum is σ = 123243555760. Its totient is φ = 123224884308.

The previous prime is 123234219943. The next prime is 123234220061. The reversal of 123234220033 is 330022432321.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123234220033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123234220633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4648035 + ... + 4674472.

It is an arithmetic number, because the mean of its divisors is an integer number (30810888940).

Almost surely, 2^123234220033 is an apocalyptic number.

It is an amenable number.

123234220033 is a deficient number, since it is larger than the sum of its proper divisors (9335727).

123234220033 is an equidigital number, since it uses as much as digits as its factorization.

123234220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335726.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 123234220033 its reverse (330022432321), we get a palindrome (453256652354).

The spelling of 123234220033 in words is "one hundred twenty-three billion, two hundred thirty-four million, two hundred twenty thousand, thirty-three".