12123023033 has 12 divisors (see below), whose sum is σ = 13784803620. Its totient is φ = 10640894880.

The previous prime is 12123023023. The next prime is 12123023113. The reversal of 12123023033 is 33032032121.

It can be written as a sum of positive squares in 2 ways, for example, as 5475556009 + 6647467024 = 73997^2 + 81532^2 .

It is not a de Polignac number, because 12123023033 - 2⁶ = 12123022969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12123022996 and 12123023014.

It is not an unprimeable number, because it can be changed into a prime (12123023023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1723910 + ... + 1730927.

It is an arithmetic number, because the mean of its divisors is an integer number (1148733635).

Almost surely, 2^12123023033 is an apocalyptic number.

It is an amenable number.

12123023033 is a deficient number, since it is larger than the sum of its proper divisors (1661780587).

12123023033 is a wasteful number, since it uses less digits than its factorization.

12123023033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454888 (or 3454877 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12123023033 its reverse (33032032121), we get a palindrome (45155055154).

The spelling of 12123023033 in words is "twelve billion, one hundred twenty-three million, twenty-three thousand, thirty-three".