211002311023 has 4 divisors (see below), whose sum is σ = 241145498320. Its totient is φ = 180859123728.

The previous prime is 211002311021. The next prime is 211002311087. The reversal of 211002311023 is 320113200112.

211002311023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211002311023 - 2¹ = 211002311021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211002310988 and 211002311006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002311021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15071593638 + ... + 15071593651.

It is an arithmetic number, because the mean of its divisors is an integer number (60286374580).

Almost surely, 2^211002311023 is an apocalyptic number.

211002311023 is a deficient number, since it is larger than the sum of its proper divisors (30143187297).

211002311023 is an equidigital number, since it uses as much as digits as its factorization.

211002311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30143187296.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211002311023 its reverse (320113200112), we get a palindrome (531115511135).

The spelling of 211002311023 in words is "two hundred eleven billion, two million, three hundred eleven thousand, twenty-three".