1231233031023 has 8 divisors (see below), whose sum is σ = 1642583741568. Its totient is φ = 820352170584.

The previous prime is 1231233030983. The next prime is 1231233031051. The reversal of 1231233031023 is 3201303321321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1231233031023 - 2³⁰ = 1230159289199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231233030984 and 1231233031002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231233031073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117456411 + ... + 117466892.

It is an arithmetic number, because the mean of its divisors is an integer number (205322967696).

Almost surely, 2^{1231233031023} is an apocalyptic number.

1231233031023 is a deficient number, since it is larger than the sum of its proper divisors (411350710545).

1231233031023 is a wasteful number, since it uses less digits than its factorization.

1231233031023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234925053.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1231233031023 its reverse (3201303321321), we get a palindrome (4432536352344).

The spelling of 1231233031023 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-three million, thirty-one thousand, twenty-three".