2212143023 has 4 divisors (see below), whose sum is σ = 2229561600. Its totient is φ = 2194724448.

The previous prime is 2212143019. The next prime is 2212143029. The reversal of 2212143023 is 3203412122.

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 2212143023 - 2² = 2212143019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212142986 and 2212143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212143029) 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, 8709098 + ... + 8709351.

It is an arithmetic number, because the mean of its divisors is an integer number (557390400).

Almost surely, 2^2212143023 is an apocalyptic number.

2212143023 is a deficient number, since it is larger than the sum of its proper divisors (17418577).

2212143023 is a wasteful number, since it uses less digits than its factorization.

2212143023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17418576.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2212143023 is about 47033.4245297958. The cubic root of 2212143023 is about 1302.9799534634.

Adding to 2212143023 its reverse (3203412122), we get a palindrome (5415555145).

The spelling of 2212143023 in words is "two billion, two hundred twelve million, one hundred forty-three thousand, twenty-three".