22123203142 has 8 divisors (see below), whose sum is σ = 33255865656. Its totient is φ = 11037914592.

The previous prime is 22123203139. The next prime is 22123203163. The reversal of 22123203142 is 24130232122.

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

It is a super-2 number, since 2×22123203142² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11842323 + ... + 11844190.

It is an arithmetic number, because the mean of its divisors is an integer number (4156983207).

Almost surely, 2^22123203142 is an apocalyptic number.

22123203142 is a deficient number, since it is larger than the sum of its proper divisors (11132662514).

22123203142 is a wasteful number, since it uses less digits than its factorization.

22123203142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23686982.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22123203142 its reverse (24130232122), we get a palindrome (46253435264).

The spelling of 22123203142 in words is "twenty-two billion, one hundred twenty-three million, two hundred three thousand, one hundred forty-two".