123230031233 has 4 divisors (see below), whose sum is σ = 123231216048. Its totient is φ = 123228846420.

The previous prime is 123230031229. The next prime is 123230031257. The reversal of 123230031233 is 332130032321.

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: 332130032321 = 17957 ⋅18495853.

It is a cyclic number.

It is not a de Polignac number, because 123230031233 - 2² = 123230031229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123230031199 and 123230031208.

It is not an unprimeable number, because it can be changed into a prime (123230031433) 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, 419591 + ... + 650012.

It is an arithmetic number, because the mean of its divisors is an integer number (30807804012).

Almost surely, 2^123230031233 is an apocalyptic number.

It is an amenable number.

123230031233 is a deficient number, since it is larger than the sum of its proper divisors (1184815).

123230031233 is a wasteful number, since it uses less digits than its factorization.

123230031233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184814.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 123230031233 its reverse (332130032321), we get a palindrome (455360063554).

The spelling of 123230031233 in words is "one hundred twenty-three billion, two hundred thirty million, thirty-one thousand, two hundred thirty-three".