2142222323 has 4 divisors (see below), whose sum is σ = 2235362448. Its totient is φ = 2049082200.

The previous prime is 2142222293. The next prime is 2142222331. The reversal of 2142222323 is 3232222412.

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 2142222323 - 2⁸ = 2142222067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 93140101 = 2142222323 / (2 + 1 + 4 + 2 + 2 + 2 + 2 + 3 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142222023) 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, 46570028 + ... + 46570073.

It is an arithmetic number, because the mean of its divisors is an integer number (558840612).

Almost surely, 2^2142222323 is an apocalyptic number.

2142222323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142222323 is a deficient number, since it is larger than the sum of its proper divisors (93140125).

2142222323 is an equidigital number, since it uses as much as digits as its factorization.

2142222323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93140124.

The product of its digits is 2304, while the sum is 23.

The square root of 2142222323 is about 46284.1476425784. The cubic root of 2142222323 is about 1289.1046654715.

Adding to 2142222323 its reverse (3232222412), we get a palindrome (5374444735).

The spelling of 2142222323 in words is "two billion, one hundred forty-two million, two hundred twenty-two thousand, three hundred twenty-three".