2132123223 has 8 divisors (see below), whose sum is σ = 2908943488. Its totient is φ = 1388359224.

The previous prime is 2132123197. The next prime is 2132123233. The reversal of 2132123223 is 3223212312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2132123223 - 2⁶ = 2132123159 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 2132123223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132123233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8263915 + ... + 8264172.

It is an arithmetic number, because the mean of its divisors is an integer number (363617936).

Almost surely, 2^2132123223 is an apocalyptic number.

2132123223 is a deficient number, since it is larger than the sum of its proper divisors (776820265).

2132123223 is a wasteful number, since it uses less digits than its factorization.

2132123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16528133.

The product of its digits is 864, while the sum is 21.

The square root of 2132123223 is about 46174.9198483333. The cubic root of 2132123223 is about 1287.0757274613.

Adding to 2132123223 its reverse (3223212312), we get a palindrome (5355335535).

It can be divided in two parts, 21321 and 23223, that added together give a palindrome (44544).

The spelling of 2132123223 in words is "two billion, one hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty-three".