2211321423 has 4 divisors (see below), whose sum is σ = 2948428568. Its totient is φ = 1474214280.

The previous prime is 2211321401. The next prime is 2211321439. The reversal of 2211321423 is 3241231122.

2211321423 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 not a de Polignac number, because 2211321423 - 2¹³ = 2211313231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211321423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211321443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368553568 + ... + 368553573.

It is an arithmetic number, because the mean of its divisors is an integer number (737107142).

Almost surely, 2^2211321423 is an apocalyptic number.

2211321423 is a deficient number, since it is larger than the sum of its proper divisors (737107145).

2211321423 is an equidigital number, since it uses as much as digits as its factorization.

2211321423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737107144.

The product of its digits is 576, while the sum is 21.

The square root of 2211321423 is about 47024.6895045571. The cubic root of 2211321423 is about 1302.8186225912.

Adding to 2211321423 its reverse (3241231122), we get a palindrome (5452552545).

The spelling of 2211321423 in words is "two billion, two hundred eleven million, three hundred twenty-one thousand, four hundred twenty-three".