231020010210123 has 10 divisors (see below), whose sum is σ = 345103965869564. Its totient is φ = 154013340140028.

The previous prime is 231020010210089. The next prime is 231020010210127. The reversal of 231020010210123 is 321012010020132.

231020010210123 is a `hidden beast` number, since 2 + 310 + 20 + 0 + 1 + 0 + 210 + 123 = 666.

It is not a de Polignac number, because 231020010210123 - 2⁸ = 231020010209867 is a prime.

It is a super-2 number, since 2×231020010210123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231020010210096 and 231020010210105.

It is not an unprimeable number, because it can be changed into a prime (231020010210127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1426049445661 + ... + 1426049445822.

Almost surely, 2^{231020010210123} is an apocalyptic number.

231020010210123 is a deficient number, since it is larger than the sum of its proper divisors (114083955659441).

231020010210123 is an equidigital number, since it uses as much as digits as its factorization.

231020010210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852098891495 (or 2852098891486 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231020010210123 its reverse (321012010020132), we get a palindrome (552032020230255).

The spelling of 231020010210123 in words is "two hundred thirty-one trillion, twenty billion, ten million, two hundred ten thousand, one hundred twenty-three".