211223233023 has 32 divisors (see below), whose sum is σ = 316841932800. Its totient is φ = 124071813600.

The previous prime is 211223233009. The next prime is 211223233051. The reversal of 211223233023 is 320332322112.

It is not a de Polignac number, because 211223233023 - 2⁹ = 211223232511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211223232984 and 211223233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211223233223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625753 + ... + 902226.

It is an arithmetic number, because the mean of its divisors is an integer number (9901310400).

Almost surely, 2^211223233023 is an apocalyptic number.

211223233023 is a deficient number, since it is larger than the sum of its proper divisors (105618699777).

211223233023 is a wasteful number, since it uses less digits than its factorization.

211223233023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528123.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 211223233023 its reverse (320332322112), we get a palindrome (531555555135).

The spelling of 211223233023 in words is "two hundred eleven billion, two hundred twenty-three million, two hundred thirty-three thousand, twenty-three".