211012231023 has 12 divisors (see below), whose sum is σ = 332504121768. Its totient is φ = 127886200560.

The previous prime is 211012231013. The next prime is 211012231057. The reversal of 211012231023 is 320132210112.

211012231023 is a `hidden beast` number, since 211 + 0 + 122 + 310 + 23 = 666.

It is not a de Polignac number, because 211012231023 - 2¹⁸ = 211011968879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211012230987 and 211012231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012231013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065718240 + ... + 1065718437.

It is an arithmetic number, because the mean of its divisors is an integer number (27708676814).

Almost surely, 2^211012231023 is an apocalyptic number.

211012231023 is a deficient number, since it is larger than the sum of its proper divisors (121491890745).

211012231023 is a wasteful number, since it uses less digits than its factorization.

211012231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131436694 (or 2131436691 counting only the distinct ones).

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

Adding to 211012231023 its reverse (320132210112), we get a palindrome (531144441135).

The spelling of 211012231023 in words is "two hundred eleven billion, twelve million, two hundred thirty-one thousand, twenty-three".