22142042323 has 4 divisors (see below), whose sum is σ = 22184379448. Its totient is φ = 22099705200.

The previous prime is 22142042303. The next prime is 22142042341. The reversal of 22142042323 is 32324024122.

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 22142042323 - 2⁹ = 22142041811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142042303) 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, 21167778 + ... + 21168823.

It is an arithmetic number, because the mean of its divisors is an integer number (5546094862).

Almost surely, 2^22142042323 is an apocalyptic number.

22142042323 is a deficient number, since it is larger than the sum of its proper divisors (42337125).

22142042323 is an equidigital number, since it uses as much as digits as its factorization.

22142042323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42337124.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22142042323 its reverse (32324024122), we get a palindrome (54466066445).

The spelling of 22142042323 in words is "twenty-two billion, one hundred forty-two million, forty-two thousand, three hundred twenty-three".