1232013123 has 24 divisors (see below), whose sum is σ = 1958551920. Its totient is φ = 740060160.

The previous prime is 1232013121. The next prime is 1232013151. The reversal of 1232013123 is 3213102321.

It is not a de Polignac number, because 1232013123 - 2¹ = 1232013121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232013096 and 1232013105.

It is not an unprimeable number, because it can be changed into a prime (1232013121) 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, 43878 + ... + 66251.

It is an arithmetic number, because the mean of its divisors is an integer number (81606330).

Almost surely, 2^1232013123 is an apocalyptic number.

1232013123 is a deficient number, since it is larger than the sum of its proper divisors (726538797).

1232013123 is a wasteful number, since it uses less digits than its factorization.

1232013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110259 (or 110256 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1232013123 is about 35100.0444871513. The cubic root of 1232013123 is about 1072.0254884946.

Adding to 1232013123 its reverse (3213102321), we get a palindrome (4445115444).

The spelling of 1232013123 in words is "one billion, two hundred thirty-two million, thirteen thousand, one hundred twenty-three".