1123154216422 has 8 divisors (see below), whose sum is σ = 1925407228176. Its totient is φ = 481351807032.

The previous prime is 1123154216399. The next prime is 1123154216423. The reversal of 1123154216422 is 2246124513211.

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

It is a super-2 number, since 2×1123154216422² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123154216423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40112650573 + ... + 40112650600.

It is an arithmetic number, because the mean of its divisors is an integer number (240675903522).

Almost surely, 2^{1123154216422} is an apocalyptic number.

1123154216422 is a deficient number, since it is larger than the sum of its proper divisors (802253011754).

1123154216422 is an equidigital number, since it uses as much as digits as its factorization.

1123154216422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80225301182.

The product of its digits is 23040, while the sum is 34.

Adding to 1123154216422 its reverse (2246124513211), we get a palindrome (3369278729633).

The spelling of 1123154216422 in words is "one trillion, one hundred twenty-three billion, one hundred fifty-four million, two hundred sixteen thousand, four hundred twenty-two".