123210031023 has 6 divisors (see below), whose sum is σ = 177970044824. Its totient is φ = 82140020676.

The previous prime is 123210030989. The next prime is 123210031067. The reversal of 123210031023 is 320130012321.

123210031023 is a `hidden beast` number, since 1 + 232 + 100 + 310 + 23 = 666.

It is not a de Polignac number, because 123210031023 - 2⁶ = 123210030959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123210030987 and 123210031005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123210031073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6845001715 + ... + 6845001732.

Almost surely, 2^123210031023 is an apocalyptic number.

123210031023 is a deficient number, since it is larger than the sum of its proper divisors (54760013801).

123210031023 is a wasteful number, since it uses less digits than its factorization.

123210031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690003453 (or 13690003450 counting only the distinct ones).

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

Adding to 123210031023 its reverse (320130012321), we get a palindrome (443340043344).

The spelling of 123210031023 in words is "one hundred twenty-three billion, two hundred ten million, thirty-one thousand, twenty-three".